Chemistry-
General
Easy

Question

Which compound does not give N H subscript 3 on heating?

  1. left parenthesis N H subscript 4 right parenthesis subscript 2 S O subscript 4
  2. left parenthesis N H subscript 4 right parenthesis subscript 2 C O subscript 3
  3. N H subscript 4 N O subscript 2
  4. N H subscript 4 C l

The correct answer is: N H subscript 4 N O subscript 2


    NH subscript 4 NO subscript 2 not stretchy rightwards arrow with straight capital delta on top straight N subscript 2 plus 2 straight H subscript 2 straight O

    Related Questions to study

    General
    Maths-

    In the interval open square brackets negative pi over 2 comma pi over 2 close square brackets the equation log subscript sin space theta end subscript space left parenthesis cos space 2 theta right parenthesis equals 2 has

    In this question, we have to find type of solution, here, we know if log subscript a b equals c then we can take antilog, b = ca, and cos2 θ = 1 – 2 sin2 θ . Remember these terms and find the solution easily.

    In the interval open square brackets negative pi over 2 comma pi over 2 close square brackets the equation log subscript sin space theta end subscript space left parenthesis cos space 2 theta right parenthesis equals 2 has

    Maths-General

    In this question, we have to find type of solution, here, we know if log subscript a b equals c then we can take antilog, b = ca, and cos2 θ = 1 – 2 sin2 θ . Remember these terms and find the solution easily.

    General
    Maths-

    If fraction numerator sin cubed space theta minus cos cubed space theta over denominator sin space theta minus cos space theta end fraction minus fraction numerator cos begin display style space end style theta over denominator square root of open parentheses 1 plus cot squared space theta close parentheses end root end fraction minus 2 tan space theta cot space theta equals negative 1 comma theta element of left square bracket 0 comma 2 pi right square bracket comma,then

    In this question, we have to find the where is θ lies. Here, always true for sinx ≥ 0 otherwise it is true for x=0,straight pi over 2,fraction numerator 3 straight pi over denominator 2 end fraction,2π and since we also need x≠straight pi over 2,fraction numerator 3 straight pi over denominator 2 end fraction for tanx and x≠0,2π for cotx all the solutions.

    If fraction numerator sin cubed space theta minus cos cubed space theta over denominator sin space theta minus cos space theta end fraction minus fraction numerator cos begin display style space end style theta over denominator square root of open parentheses 1 plus cot squared space theta close parentheses end root end fraction minus 2 tan space theta cot space theta equals negative 1 comma theta element of left square bracket 0 comma 2 pi right square bracket comma,then

    Maths-General

    In this question, we have to find the where is θ lies. Here, always true for sinx ≥ 0 otherwise it is true for x=0,straight pi over 2,fraction numerator 3 straight pi over denominator 2 end fraction,2π and since we also need x≠straight pi over 2,fraction numerator 3 straight pi over denominator 2 end fraction for tanx and x≠0,2π for cotx all the solutions.

    General
    maths-

    Number of solutions of the equation cos space 6 x plus tan squared space x plus cos space 6 x times tan squared space x equals 1 in the interval [0, 2straight pi] is :

    Number of solutions of the equation cos space 6 x plus tan squared space x plus cos space 6 x times tan squared space x equals 1 in the interval [0, 2straight pi] is :

    maths-General
    parallel
    General
    Maths-

    If fraction numerator sin cubed space theta minus cos cubed space theta over denominator sin space theta minus cos space theta end fraction minus fraction numerator cos begin display style space end style theta over denominator square root of 1 plus cot 2 space theta end root end fraction minus 2 tan space theta cot space theta equals negative 1,then

    In this question, we have given equation, where we have to find where the θ belongs. For all value of sin θ cos θ = fraction numerator 1 over denominator square root of 2 end fraction so θ always lies between ( 0 , straight pi over 2 ) .

    If fraction numerator sin cubed space theta minus cos cubed space theta over denominator sin space theta minus cos space theta end fraction minus fraction numerator cos begin display style space end style theta over denominator square root of 1 plus cot 2 space theta end root end fraction minus 2 tan space theta cot space theta equals negative 1,then

    Maths-General

    In this question, we have given equation, where we have to find where the θ belongs. For all value of sin θ cos θ = fraction numerator 1 over denominator square root of 2 end fraction so θ always lies between ( 0 , straight pi over 2 ) .

    General
    maths-

    If 6 cos space 2 theta plus 2 cos squared space theta divided by 2 plus 2 sin squared space theta equals 0 comma negative pi less than theta less than pi comma text  then  end text theta equals

    If 6 cos space 2 theta plus 2 cos squared space theta divided by 2 plus 2 sin squared space theta equals 0 comma negative pi less than theta less than pi comma text  then  end text theta equals

    maths-General
    General
    maths-

    The most general solution of the equations tan space theta equals negative 1 comma cos space theta equals 1 divided by square root of 2 is

    The most general solution of the equations tan space theta equals negative 1 comma cos space theta equals 1 divided by square root of 2 is

    maths-General
    parallel
    General
    maths-

    The general solution of the equation, 2 cot space theta over 2 equals left parenthesis 1 plus co t space theta right parenthesis squared is

    The general solution of the equation, 2 cot space theta over 2 equals left parenthesis 1 plus co t space theta right parenthesis squared is

    maths-General
    General
    Maths-

    The most general solution of cottheta =square root of 3 and cosec theta= – 2 is :

    In this question, we have given cotθ = -√3 and cosecθ = -2. Where θ for both is -π/6 and then write the general solution.

    The most general solution of cottheta =square root of 3 and cosec theta= – 2 is :

    Maths-General

    In this question, we have given cotθ = -√3 and cosecθ = -2. Where θ for both is -π/6 and then write the general solution.

    General
    maths-

    Let S = open curly brackets x element of left parenthesis negative pi comma pi right parenthesis colon x not equal to 0 comma plus-or-minus pi over 2 close curly brackets The sun of all distinct solution of the equation square root of 3 sec space x plus cosec space x plus 2 left parenthesis tan space x minus cot space x right parenthesis equals 0

    Let S = open curly brackets x element of left parenthesis negative pi comma pi right parenthesis colon x not equal to 0 comma plus-or-minus pi over 2 close curly brackets The sun of all distinct solution of the equation square root of 3 sec space x plus cosec space x plus 2 left parenthesis tan space x minus cot space x right parenthesis equals 0

    maths-General
    parallel
    General
    physics-

    A wave motion has the function y equals a subscript 0 end subscript sin invisible function application left parenthesis omega t minus k x right parenthesis. The graph in figure shows how the displacement y at a fixed point varies with time t. Which one of the labelled points shows a displacement equal to that at the position x equals fraction numerator pi over denominator 2 k end fraction at time t equals 0

    A wave motion has the function y equals a subscript 0 end subscript sin invisible function application left parenthesis omega t minus k x right parenthesis. The graph in figure shows how the displacement y at a fixed point varies with time t. Which one of the labelled points shows a displacement equal to that at the position x equals fraction numerator pi over denominator 2 k end fraction at time t equals 0

    physics-General
    General
    maths-

    For x element of left parenthesis 0 comma pi right parenthesis, the equation sin space x plus 2 sin space 2 x minus sin space 3 x equals 3 has

    For x element of left parenthesis 0 comma pi right parenthesis, the equation sin space x plus 2 sin space 2 x minus sin space 3 x equals 3 has

    maths-General
    General
    Maths-

    Let theta comma ϕ element of left square bracket 0 comma 2 pi right square bracket be such that 2 cos space theta left parenthesis 1 minus sin space ϕ right parenthesis equals sin squared space theta open parentheses tan space theta over 2 plus co t space space theta over 2 close parentheses cos space ϕ minus 1 comma tan space left parenthesis 2 pi minus theta right parenthesis greater than 0 and negative 1 less than sin space theta less than negative fraction numerator square root of 3 over denominator 2 end fraction Then ϕ cannot satisfy

    In this question we have to find the the which region ϕ cannot satisfy. In this question more than one option is correct. Here firstly solve the given equation. Remember that, , tan x + cot x    = fraction numerator 2 over denominator sin x end fraction.

    Let theta comma ϕ element of left square bracket 0 comma 2 pi right square bracket be such that 2 cos space theta left parenthesis 1 minus sin space ϕ right parenthesis equals sin squared space theta open parentheses tan space theta over 2 plus co t space space theta over 2 close parentheses cos space ϕ minus 1 comma tan space left parenthesis 2 pi minus theta right parenthesis greater than 0 and negative 1 less than sin space theta less than negative fraction numerator square root of 3 over denominator 2 end fraction Then ϕ cannot satisfy

    Maths-General

    In this question we have to find the the which region ϕ cannot satisfy. In this question more than one option is correct. Here firstly solve the given equation. Remember that, , tan x + cot x    = fraction numerator 2 over denominator sin x end fraction.

    parallel
    General
    maths-

    The number of all possible values of theta, where 0< theta < straight pi, which the system of equations  left parenthesis straight y plus straight z right parenthesis cos space 3 theta equals xyzsin space 3 theta xsin space 3 theta equals fraction numerator 2 cos space 3 theta over denominator straight y end fraction plus fraction numerator 2 sin space 3 theta over denominator straight z end fraction x y z sin space 3 theta equals left parenthesis y plus 2 z right parenthesis cos space 3 theta plus y sin space 3 theta has a solution open parentheses straight x subscript 0 comma straight y subscript 0 comma straight z subscript 0 close parentheses with straight y subscript straight c comma straight z subscript 0 not equal to 0, is

    The number of all possible values of theta, where 0< theta < straight pi, which the system of equations  left parenthesis straight y plus straight z right parenthesis cos space 3 theta equals xyzsin space 3 theta xsin space 3 theta equals fraction numerator 2 cos space 3 theta over denominator straight y end fraction plus fraction numerator 2 sin space 3 theta over denominator straight z end fraction x y z sin space 3 theta equals left parenthesis y plus 2 z right parenthesis cos space 3 theta plus y sin space 3 theta has a solution open parentheses straight x subscript 0 comma straight y subscript 0 comma straight z subscript 0 close parentheses with straight y subscript straight c comma straight z subscript 0 not equal to 0, is

    maths-General
    General
    maths-

    Roots of the equation 2 sin squared space theta plus sin squared space theta equals 2 are

    Roots of the equation 2 sin squared space theta plus sin squared space theta equals 2 are

    maths-General
    General
    Maths-

    The number of solutions of the pair of equations 2 sin squared space theta minus cos space 2 theta equals 0 comma 2 cos squared space theta minus 3 sin space theta equals 0 in the interval [0, 2straight pi] is

    The number of solutions of the pair of equations 2 sin squared space theta minus cos space 2 theta equals 0 comma 2 cos squared space theta minus 3 sin space theta equals 0 in the interval [0, 2straight pi] is

    Maths-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.