A jug contains 2L of milk. The volume of the milk in m3 is:

1. 2 x 10-3

2. 2 x 104

3. 2 x 102

4. 2 x 105

Subtopic:  Introduction |
 83%
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The molecular mass of the glucose (C6H12O6) is:

1. 178.156 u
2. 182.162 u
3. 181.142 u
4. 180.162 u

Subtopic:  Moles, Atoms & Electrons |
 85%
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A compound contains 4.07% hydrogen, 24.27% carbon and 71.65% chlorine. Its molar mass is 98.96 g. Its empirical and molecular formulas are respectively -

1. CH2Cl and C2H4Cl2

2. CH3Cl and C2H6Cl2 

3. C2HCl and C4H2Cl

4. C2HCl and C2H4Cl2 

Subtopic:  Empirical & Molecular Formula |
 76%
From NCERT
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The amount of water vapour produced by the complete combustion of 16 g of methane is-

1. 9 g

2. 18 g

3. 36 g

4. 27 g

Subtopic:  Concentration Based Problem | Equation Based Problem |
 75%
From NCERT
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The number of moles of methane are required to produce 22g CO2(g) after complete combustion is-

1. 1 mol

2. 0.5 mol

3. 1.5 mol

4. 2 mol

Subtopic:  Equation Based Problem |
 86%
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50.0 kg of N2 (g) and 10.0 kg of H2 (g) are mixed to produce NH3 (g). The amount of NH(g) formed is-

1. 33.0 ×103 mol

2. 56.1×103 g

3. 6.5 ×103 g

4. None of the above

Subtopic:  Limiting Reagent |
 56%
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A solution is prepared by adding 2 g of substance A to 18 g of water. The mass percent of the solute is-

1. 20%

2. 10%

3. 15%

4. 18%

Subtopic:  Concentration Based Problem |
 87%
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NaOH solution prepared by dissolving its 4 g in enough water to form 250 mL of the solution. The molarity of NaOH solution is-

1. 0.4 M

2. 10.4M

3. 0.8 M
4. 10.8M

Subtopic:  Concentration Based Problem |
 86%
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Calculate the molality for a 3 M NaCl solution with a density of 1.25 g mL–1.

1. 2.79 M

2. 1.79 M

3. 2 M

4. 1 M

Subtopic:  Concentration Based Problem |
 72%
From NCERT
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