Chemistry-
General
Easy

Question

N subscript 2 O subscript 4 molecule is completely changed into 2 N O subscript 2 molecules at:

  1. negative 10 degree C
  2. 140 – 150degree C
  3. 420degree C
  4. -40degree C

The correct answer is: 140 – 150degree C

Related Questions to study

General
Maths-

Statement-I : If sin squared space A equals sin squared space B and cos squared space A equals cos squared space B then straight A equals straight n pi plus straight B comma space straight n element of straight I
Statement-II : If sinA = sinB and cosA = cosB, then A equals n pi plus B comma n element of I

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, Start solving first Statement and try to prove it. Then solve the Statement-II.

Statement-I : If sin squared space A equals sin squared space B and cos squared space A equals cos squared space B then straight A equals straight n pi plus straight B comma space straight n element of straight I
Statement-II : If sinA = sinB and cosA = cosB, then A equals n pi plus B comma n element of I

Maths-General

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, Start solving first Statement and try to prove it. Then solve the Statement-II.

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Arsine is:

Arsine is:

chemistry-General
General
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Statement-I : The equation sin(cos x) = cos(sin x) does not possess real roots.

Statement-II : If sin x > 0, then 2 n pi less than x less than left parenthesis 2 n plus 1 right parenthesis comma n element of I

Statement-I : The equation sin(cos x) = cos(sin x) does not possess real roots.

Statement-II : If sin x > 0, then 2 n pi less than x less than left parenthesis 2 n plus 1 right parenthesis comma n element of I

maths-General
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General
Maths-

Statement-I : In (0, straight pi), the number of solutions of the equation tan space theta plus tan space 2 theta plus tan space 3 theta equals tan space theta tan space 2 theta tan space 3 theta is two

Statement-II : tan space 6 theta is not defined at theta equals left parenthesis 2 straight n plus 1 right parenthesis pi over 12 comma straight n element of straight I

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, it has 5 solutions, but tanθ &tan3θ are not defined at straight pi over 2straight pi over 6fraction numerator 5 straight pi over denominator 6 end fraction. respectively so it remains only 2.

Statement-I : In (0, straight pi), the number of solutions of the equation tan space theta plus tan space 2 theta plus tan space 3 theta equals tan space theta tan space 2 theta tan space 3 theta is two

Statement-II : tan space 6 theta is not defined at theta equals left parenthesis 2 straight n plus 1 right parenthesis pi over 12 comma straight n element of straight I

Maths-General

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, it has 5 solutions, but tanθ &tan3θ are not defined at straight pi over 2straight pi over 6fraction numerator 5 straight pi over denominator 6 end fraction. respectively so it remains only 2.

General
Maths-

Statement-I : If sin x + cos x = square root of open parentheses y plus 1 over y close parentheses end root comma x element of left square bracket 0 comma pi right square bracket then x equals pi over 4 comma y equals 1

Statement-II : AM ≥ GM

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, Start solving first Statement and try to prove it. Then solve the Statement-II. Always, the AM–GM inequality states that AM ≥ GM.

Statement-I : If sin x + cos x = square root of open parentheses y plus 1 over y close parentheses end root comma x element of left square bracket 0 comma pi right square bracket then x equals pi over 4 comma y equals 1

Statement-II : AM ≥ GM

Maths-General

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, Start solving first Statement and try to prove it. Then solve the Statement-II. Always, the AM–GM inequality states that AM ≥ GM.

General
Maths-

Statement-I : The number of real solutions of the equation sin x = 2x + 2–x is zero

Statement-II : Since |sin x| ≤ 1

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, -1 ≤ sinx  ≤ 1 for all value, remember that.

Statement-I : The number of real solutions of the equation sin x = 2x + 2–x is zero

Statement-II : Since |sin x| ≤ 1

Maths-General

In this question, we have to find the statements are the correct or not and statement 2 is correct explanation or not, is same as assertion and reason. Here, -1 ≤ sinx  ≤ 1 for all value, remember that.

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General
maths-

sin squared space x minus cos space 2 x equals 2 minus sin space 2 x if

sin squared space x minus cos space 2 x equals 2 minus sin space 2 x if

maths-General
General
maths-

sin squared space x minus cos space 2 x equals 2 minus sin space 2 x if

sin squared space x minus cos space 2 x equals 2 minus sin space 2 x if

maths-General
General
maths-

cos space 15 x equals sin space 5 x if

cos space 15 x equals sin space 5 x if

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General
Maths-

sin space x plus sin space 2 x plus sin space 3 x equals cos space x plus cos space 2 x plus cos space 3 x if

sin space x plus sin space 2 x plus sin space 3 x equals cos space x plus cos space 2 x plus cos space 3 x if

Maths-General
General
Maths-

4 sin to the power of 4 space x plus cos to the power of 4 space x equals 1 if

In this question, we have to find the general solution of x. Here more than one option will correct. Remember the rules for finding the general solution.

4 sin to the power of 4 space x plus cos to the power of 4 space x equals 1 if

Maths-General

In this question, we have to find the general solution of x. Here more than one option will correct. Remember the rules for finding the general solution.

General
Maths-

Number of ordered pairs (a, x) satisfying the equation sec squared space left parenthesis a plus 2 right parenthesis x plus a squared minus 1 equals 0 semicolon minus pi less than x less than pi is

Number of ordered pairs (a, x) satisfying the equation sec squared space left parenthesis a plus 2 right parenthesis x plus a squared minus 1 equals 0 semicolon minus pi less than x less than pi is

Maths-General
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General
Maths-

The general solution of the equation, fraction numerator 1 minus sin space x plus midline horizontal ellipsis comma plus left parenthesis negative 1 right parenthesis to the power of n sin to the power of n space x plus midline horizontal ellipsis straight infinity over denominator 1 plus sin space x plus midline horizontal ellipsis plus sin to the power of n space x plus midline horizontal ellipsis straight infinity end fraction equals fraction numerator 1 minus cos space 2 x over denominator 1 plus cos space 2 x end fraction is :

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The general solution of the equation, fraction numerator 1 minus sin space x plus midline horizontal ellipsis comma plus left parenthesis negative 1 right parenthesis to the power of n sin to the power of n space x plus midline horizontal ellipsis straight infinity over denominator 1 plus sin space x plus midline horizontal ellipsis plus sin to the power of n space x plus midline horizontal ellipsis straight infinity end fraction equals fraction numerator 1 minus cos space 2 x over denominator 1 plus cos space 2 x end fraction is :

Maths-General

img

General
Chemistry-

The noble gas used in atomic reactor ,is

The noble gas used in atomic reactor ,is

Chemistry-General
General
chemistry-

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

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

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