AIPMT 2010 Prelims | Some Basic Concepts of Chemistry Question 33 | Chemistry

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AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

The number of atoms in 0.1 mol of a triatomic gas is (N_A = 6.02 $$ \times $$ 10²³ mol^$$-$$1)

6.026 $$ \times $$ 10²²

1.806 $$ \times $$ 10²³

3.600 $$ \times $$ 10²³

1.800 $$ \times $$ 10²²

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

25.3 g of sodium carbonate, Na₂CO₃ is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na⁺ and carbonate ions, CO$${}_3^{2 - }$$ are respectively (Molar mass of Na₂CO₃ = 106 g mol^$$-$$1)

0.955 M and 1.910 M

1.910 M and 0.955 M

1.90 M and 1.910 M

0.477 M and 0.477 M

AIPMT 2009

MCQ (Single Correct Answer)

-1

10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be

3 mol

4 mol

1 mol

2 mol

AIPMT 2008

MCQ (Single Correct Answer)

-1

What volume of oxygen gas (O₂) measuread at 0^oC and 1 atm, is needed to burn completely 1 L of propane gas (C₃H₈) measured under the same conditions ?

5 L

10 L

7 L

6 L

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