A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. H2SO4. The evolved gaseous mixture is passed through KOH pellets.

Weight (in g) of the remaining product at STP will be:

1. 1.4

2. 3.0

3. 2.8

4. 4.4

Subtopic:  Equation Based Problem |
 59%
NEET - 2018
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The maximum number of water molecules among the following is:

1. 18 mL of water 
2. 0.18 g of water 
3. 0.00224 L water vapours at 1 atm and 273 K
4. 10-3 mol of water 

Subtopic:  Moles, Atoms & Electrons |
 57%
From NCERT
NEET - 2018
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The parameter which is temperature dependent is: 

1. Molarity 2. Mole fraction
3. Weight percentage 4. Molality
Subtopic:  Concentration Based Problem |
 80%
From NCERT
NEET - 2017
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Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. If 0.1 mole of XYweighs 10 g and 0.05 mole of X3Y2 weighs 9 g, the atomic weight of X and Y respectively, will be?

1. 40, 30 2. 60, 40
3. 20, 30 4. 30, 20
Subtopic:  Equation Based Problem |
 77%
From NCERT
NEET - 2016
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To view explanation, please take trial in the course.
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