Assertion(A): The number of molecules in 1g NHis more than 1g N2 .
Reason(R): 1mole of NH3 as well as 1 mole of N2 contains $$6.023 \times 10^{23}$$ atoms.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.

Subtopic:  Moles, Atoms & Electrons |
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Assertion(A): 100 ml 1 M H2SO4 is mixed with 200 ml 1M NaOH then the solution is neutral.
Reason(R): Moles of H2SOare equal to moles of NaOH

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.

Subtopic:  Equation Based Problem |
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Assertion(A): 233 g of BaSOis equal to one mole of BaSO4
Reason(R): One mole of BaSO4 is obtained when one mole of BaCl2 is treated with 1 liter of 1M H2SO
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.

Subtopic:  Introduction |
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Assertion(A): Atoms can neither be created nor be destroyed.
Reason(R): Under similar conditions of temperature and pressure, an equal volume of gases does not contain an equal number of molecules.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. Both A and R are false.

Subtopic:  Introduction |
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Assertion(A): Both 106 g of sodium carbonate and 12 g of graphite have the same number of carbon atoms.
Reason(R): Both 106 g of sodium carbonate and 12 g of graphite contain 1 g atom (1 mole) of carbon atoms.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.

Subtopic:  Moles, Atoms & Electrons |
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Assertion: Equivalent volume of H2 is 11.2 L at 1 atm and 273 K.
Reason: 1/2 mole Hhas produced when 1 mole of H(aq.) accepted 1 mole of e-.

1. Both statements are TRUE and Reason is the correct explanation of Assertion.
2. Both statements are TRUE but Reason is NOT the correct explanation of Assertion.
3. Assertion is TRUE and Reason is FALSE.
4. Assertion is FALSE and Reason is TRUE.

Subtopic:  Moles, Atoms & Electrons |
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Assertion: The molarity of pure water is 55.55 M at 298 K.
Reason: Molarity is temperature-dependent.

1. Both statements are true and the reason is the correct explanation of the assertion.
2. Both statements are true but the reason is not the correct explanation of the assertion.
3. Assertion is true and the reason is false.
4. Assertion is false and reason is true.
Subtopic:  Concentration Based Problem |
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Assertion: Specific gravity is dimensionless.
Reason: Specific gravity is the density of a substance measured w.r.t. density of water at 4°C.

1. Both statements are true and the reason is the correct explanation of the assertion.
2. Both statements are true but the reason is not the correct explanation of the assertion.
3. Assertion is true and the reason is false.
4. Assertion is false and reason is true.

Subtopic:  Introduction |
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Assertion: When 4 moles of H2 reacts with 2 moles of O2, then 4 moles of water are formed.

Reason: O2 will act as a limiting reagent.

1. Both assertion & reason are true and the reason is the correct explanation of the assertion.

2. Both assertion & reason are true but the reason is not the correct explanation of the assertion.

3. Assertion is a true statement but the reason is false.

4. Assertion and reason are false statements.

Subtopic:  Equation Based Problem |
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Assertion: The number of molecules in 2 moles of NH3 is equal to the number of molecules in 4 moles of CH4.

Reason: Both are chemically similar species.

1. Both the assertion and the reason are true and the reason is the correct explanation of the assertion.
2. Both the assertion and the reason are true and the reason is not the correct explanation of the assertion.
3. The assertion is true but the reason is false.
4. Both assertion and reason are false statements.

Subtopic:  Moles, Atoms & Electrons |
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