All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 02>Q 5

MEDIUM

10th ICSE

IMPORTANT

Earn 100

Which one is heavier, $1$ mole of ${C O}_{2}$ or $1$ mole of $C O$ ?

Important Questions on Mole Concept and Stoichiometry

HARD

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 03>Q 1

Calculate the mass of one atom of oxygen.

HARD

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 03>Q 2

What is the mass (in grams) of

2.5

moles of slaked lime,

C a {(O H)}_{2}

?

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 03>Q 3

Identify the atomicity of the following:

$F e, A l, P_{5}, O_{3}$ .

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 03>Q 4

The vapour density of

{C O}_{2}

gas is

22

. Find its molecular mass.

HARD

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 03>Q 5

Taking the example of combustion of hydrogen, as represented below, show how Avogadro’s law explain Gay-Lussac’s Law.

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

.

HARD

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 1

In ammonia

({N H}_{3})

there are three hydrogen atoms and one nitrogen atom but still the percentage composition of nitrogen is higher. Discuss.

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula:

C_{6} H_{12} O_{6}

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 5 - Mole Concept and Stoichiometry>CHECK POINT 04>Q 2

Write the empirical formula for the following molecular formula:

$C_{4} H_{10}$ .