Chemistry-
General
Easy

Question

Hydrogen resembles in many of its properties

  1. Halogen    
  2. Alkali metals    
  3. Both (a) and (b)    
  4. None of these    

The correct answer is: Both (a) and (b)

Related Questions to study

General
chemistry-

Which of the following reaction produces hydrogen

M g plus 2 H subscript 2 end subscript O rightwards arrow M g left parenthesis O H right parenthesis subscript 2 end subscript plus H subscript 2 end subscript upwards arrow

Which of the following reaction produces hydrogen

chemistry-General
M g plus 2 H subscript 2 end subscript O rightwards arrow M g left parenthesis O H right parenthesis subscript 2 end subscript plus H subscript 2 end subscript upwards arrow
General
chemistry-

Among the following, identify the compound which cannot act as both oxidising and reducing agents

Among the following, identify the compound which cannot act as both oxidising and reducing agents

chemistry-General
General
chemistry-

On reaction with Mg, very dilute nitric acid produces

On reaction with Mg, very dilute nitric acid produces

chemistry-General
parallel
General
chemistry-

Which is distilled first

Boiling point of liquid hydrogen is lowest of given substances so it is distilled first.

Which is distilled first

chemistry-General
Boiling point of liquid hydrogen is lowest of given substances so it is distilled first.
General
chemistry-

Which pair does not show hydrogen isotopes

Ortho and para hydrogen show different spin in a hydrogen molecule it does not show hydrogen isotopes.

Which pair does not show hydrogen isotopes

chemistry-General
Ortho and para hydrogen show different spin in a hydrogen molecule it does not show hydrogen isotopes.
General
chemistry-

Among A l subscript 2 end subscript O subscript 3 end subscript comma S i O subscript 2 end subscript comma P subscript 2 end subscript O subscript 3 end subscript and S O subscript 2 end subscriptthe correct order of acid strength is </span

Among A l subscript 2 end subscript O subscript 3 end subscript comma S i O subscript 2 end subscript comma P subscript 2 end subscript O subscript 3 end subscript and S O subscript 2 end subscriptthe correct order of acid strength is </span

chemistry-General
parallel
General
physics

The C.GS. unit of coefficient of viscosity is poise and the SI unit is Pa-S. What is the relation between the two?

The C.GS. unit of coefficient of viscosity is poise and the SI unit is Pa-S. What is the relation between the two?

physicsGeneral
General
chemistry-

The following graph illustrates

The following graph illustrates

chemistry-General
General
physics

64 equal drops of water are falling through air with a steady velocity V subscript 0 , if the drops coalesce, what is their new velocity?

64 equal drops of water are falling through air with a steady velocity V subscript 0 , if the drops coalesce, what is their new velocity?

physicsGeneral
parallel
General
physics

A steel ball of diameter 3.2 mm falls under gravity through an oil of density 920kgstraight m to the power of negative 3 end exponent and viscosity  1.64Nsstraight m to the power of negative 2 end exponent. The density of steel may be taken as7820kgm to the power of negative 3 end exponent What is the terminal velocity of the ball?

A steel ball of diameter 3.2 mm falls under gravity through an oil of density 920kgstraight m to the power of negative 3 end exponent and viscosity  1.64Nsstraight m to the power of negative 2 end exponent. The density of steel may be taken as7820kgm to the power of negative 3 end exponent What is the terminal velocity of the ball?

physicsGeneral
General
physics

A steel ball of diameter 3 mm falls through glycerine and covers a distance of 25 cm in  10s. The specific gravity of steel and glycerine are 7.8 and  1.26 respectively. The viscosity of glycerine is about......... pa"

A steel ball of diameter 3 mm falls through glycerine and covers a distance of 25 cm in  10s. The specific gravity of steel and glycerine are 7.8 and  1.26 respectively. The viscosity of glycerine is about......... pa"

physicsGeneral
General
physics

A boat of area  floating on the surface of a river is made to move horizontaly with a speed of  by applying a tangential force. If the river is  deep and the water in contact with the bed is stationary, what is the tangential force needed to keep the boat moving ? (viscosity of water 0.01 poise)

A boat of area  floating on the surface of a river is made to move horizontaly with a speed of  by applying a tangential force. If the river is  deep and the water in contact with the bed is stationary, what is the tangential force needed to keep the boat moving ? (viscosity of water 0.01 poise)

physicsGeneral
parallel
General
Maths-

The slope of the tangent to the curve y equals 6 plus x minus x to the power of 2 end exponent at left parenthesis 2 , 4 right parenthesis is

The given curve is y = 6 + x + x2.
We have to find the slope tangent at point (2,4)
To find the slope we differentiate the curve w.r.t x.
table attributes columnalign left end attributes row cell y equals 6 plus x minus x squared end cell row cell fraction numerator d y over denominator d x end fraction equals 0 plus 1 minus 2 x end cell end table
Slope m = open parentheses fraction numerator d y over denominator d x end fraction close parentheses subscript left parenthesis 2 comma 4 right parenthesis end subscript
m = (1 - 2 × 2)
= 1 - 4
= -3
The slope of the tangent at given point is -3.

The slope of the tangent to the curve y equals 6 plus x minus x to the power of 2 end exponent at left parenthesis 2 , 4 right parenthesis is

Maths-General
The given curve is y = 6 + x + x2.
We have to find the slope tangent at point (2,4)
To find the slope we differentiate the curve w.r.t x.
table attributes columnalign left end attributes row cell y equals 6 plus x minus x squared end cell row cell fraction numerator d y over denominator d x end fraction equals 0 plus 1 minus 2 x end cell end table
Slope m = open parentheses fraction numerator d y over denominator d x end fraction close parentheses subscript left parenthesis 2 comma 4 right parenthesis end subscript
m = (1 - 2 × 2)
= 1 - 4
= -3
The slope of the tangent at given point is -3.
General
physics

The velocity of a small ball of mass m and density d to the power of 1when dropped in a container filled with glycerine becomes constants after sometime. What is the viscous force acting on the ball? (density of glycerin is d squared)

The velocity of a small ball of mass m and density d to the power of 1when dropped in a container filled with glycerine becomes constants after sometime. What is the viscous force acting on the ball? (density of glycerin is d squared)

physicsGeneral
General
physics

Complete the sentence If the height of a capillary is smaller than the height to which water should rise, then…..

Complete the sentence If the height of a capillary is smaller than the height to which water should rise, then…..

physicsGeneral
parallel

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