few quantities with their units are listed below mark the

Few quantities with their units are listed below. Mark the units which are not correctly matched.
(i) Density : $$kg\,\,{m^{ - 3}}$$
(ii) Velocity of light : $$m\,\,{s^{ - 1}}$$
(iii) Planck's constant : $${J^{ - 1}}{s^{ - 1}}$$
(iv) Acceleration : $$m\,\,{s^{ - 2}}$$
(v) Force : $$kg\,\,m$$

A. (ii) and (iv)

B. (i) and (iii)

C. (iii) and (v)

D. (iv) and (v)

Answer : (iii) and (v)

Solution :
$$\eqalign{ & {\text{Planck's constant}} = J\,\,s \cr & {\text{Force}} = kg\,\,m\,\,{s^{ - 2}} \cr} $$

Releted MCQ Question on
Physical Chemistry >> Some Basic Concepts in Chemistry

Releted Question 1

$$27 g$$ of $$Al$$ will react completely with how many grams of oxygen?

A. $$8\,g$$

B. $$16\,g$$

C. $$32\,g$$

D. $$24\,g$$

View Answer

Releted Question 2

A compound was found to contain nitrogen and oxygen in the ratio $$28 gm$$ and $$80 gm$$ respectively. The formula of compound is

A. $$NO$$

B. $${N_2}{O_3}$$

C. $${N_2}{O_5}$$

D. $${N_2}{O_4}$$

View Answer

Releted Question 3

The largest number of molecules is in

A. $$36\,g$$ of water

B. $$28\,g$$ of carbon monoxide

C. $$46\,g$$ of ethyl alcohol

D. $$54\,g$$ of nitrogen pentoxide

View Answer

Releted Question 4

The total number of electrons in one molecule of carbon dioxide is

A. 22

B. 44

C. 66

D. 88

View Answer

Few quantities with their units are listed below. Mark the units which are not correctly matched.
(i) Density : $$kg\,\,{m^{ - 3}}$$
(ii) Velocity of light : $$m\,\,{s^{ - 1}}$$
(iii) Planck's constant : $${J^{ - 1}}{s^{ - 1}}$$
(iv) Acceleration : $$m\,\,{s^{ - 2}}$$
(v) Force : $$kg\,\,m$$

Releted MCQ Question on
Physical Chemistry >> Some Basic Concepts in Chemistry

$$27 g$$ of $$Al$$ will react completely with how many grams of oxygen?

A compound was found to contain nitrogen and oxygen in the ratio $$28 gm$$ and $$80 gm$$ respectively. The formula of compound is

The largest number of molecules is in

The total number of electrons in one molecule of carbon dioxide is

Practice More Releted MCQ Question on
Some Basic Concepts in Chemistry

Practice More MCQ Question on Chemistry Section

Few quantities with their units are listed below. Mark the units which are not correctly matched. (i) Density : $$kg\,\,{m^{ - 3}}$$ (ii) Velocity of light : $$m\,\,{s^{ - 1}}$$ (iii) Planck's constant : $${J^{ - 1}}{s^{ - 1}}$$ (iv) Acceleration : $$m\,\,{s^{ - 2}}$$ (v) Force : $$kg\,\,m$$

Releted MCQ Question on Physical Chemistry >> Some Basic Concepts in Chemistry

$$27 g$$ of $$Al$$ will react completely with how many grams of oxygen?

A compound was found to contain nitrogen and oxygen in the ratio $$28 gm$$ and $$80 gm$$ respectively. The formula of compound is

The largest number of molecules is in

The total number of electrons in one molecule of carbon dioxide is

Practice More Releted MCQ Question on Some Basic Concepts in Chemistry

Practice More MCQ Question on Chemistry Section

Few quantities with their units are listed below. Mark the units which are not correctly matched.
(i) Density : $$kg\,\,{m^{ - 3}}$$
(ii) Velocity of light : $$m\,\,{s^{ - 1}}$$
(iii) Planck's constant : $${J^{ - 1}}{s^{ - 1}}$$
(iv) Acceleration : $$m\,\,{s^{ - 2}}$$
(v) Force : $$kg\,\,m$$

Releted MCQ Question on
Physical Chemistry >> Some Basic Concepts in Chemistry

Practice More Releted MCQ Question on
Some Basic Concepts in Chemistry