Category: Chemistry

No.	Topics.	No.	Topics.
1.	ALCOHOLS AND PHENOLS	2.	ALDEHYDES & KETONES
3.	ALKYL HALIDES	4.	ATONTIC STRUCTURE
5.	CARBOXYLIC ACIDS	6.	CHEMICAL BONDING
7.	CHEMISTRY OF HYDROCARBONS	8.	CHETVI ICAL EQUI LIBIRIUM
9.	ELECTROCHE]VIISTRY	10.	FUNDAMENTAL CONCEPTS OF CHEMISTRY
11.	FUNDAMENTAL PRICIPLES OF ORGANIC CHEMISTRY	12.	GASES
13.	INDUSTRIAL CHEMISTRY	14.	LIQUIDS
15.	Macro Mulecule	16.	REACTION KINETICS
17.	S AND P BLOCK ELEMNETS	18.	SOLIDS
19.	THERMOCHEMISTRY & ENERGETICS OF CHEMICAL REACTIONS	20.	TRANSITION ELEMENTS

The molar volume of a gas at STP is:

22.4 L
24.5 L
1 mole

2 moles of CaCO? decompose to give: (CaCO? ? CaO + CO?)

2 mol CaO and 2 mol CO?
1 mol CaO and 1 mol CO?
2 mol CaO and 1 mol CO?
1 mol CaO and 2 mol CO?

How many grams are there in 0.5 mol of NaCl? (Na = 23, Cl = 35.5)

29.25 g
58.5 g
17.75 g
50.5 g

What is the mass of 1 mol of oxygen gas (O?)?

8 g
32 g
16 g
28 g

In the reaction 2Al + 3Cl? ? 2AlCl?, how many mol of Cl? are needed for 4 mol Al?

6 mol
2 mol
3 mol
4 mol

1 mol of CO? contains how many atoms?

1 mole of N? gas occupies:

22.4 m?
22.4 mL
22.4 L
22.4 cm?

Volume of 0.5 mol of gas at STP:

22.4 L
11.2 L
33.6 L
5.6 L

1 mol of NaCl contains how many ions in solution?

1 mole of H?O contains:

18 g
All of these

How many grams of CO? are formed from 2 mol of C? (C + O? ? CO?)

22 g
44 g
88 g
66 g

In the reaction 2Na + Cl? ? 2NaCl, how many moles of Na are needed for 1 mol Cl??

1
2
0.5
3

Avogadro?s number refers to:

Particles in 1 g
Atoms in 1 mole
Moles in 1 gram
Atoms in 1 liter

How many atoms are present in 3 mol of Al?

At STP, 2 moles of O? occupy:

44.8 L
22.4 L
11.2 L
33.6 L

In the reaction N? + 3H? ? 2NH?, how many moles of NH? are produced from 6 moles of H??

2
4
6
3

How many molecules are there in 0.5 mol of CO??

What mass of H? is needed to produce 36 g of H?O? (2H? + O? ? 2H?O)

2 g
4 g
6 g
8 g

What volume of CO? is produced by complete combustion of 2 mol C?H?? (2C?H? + 7O? ? 4CO? + 6H?O)

22.4 L
44.8 L
89.6 L
112 L

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