NEET 2022 Phase 2 | Some Basic Concepts of Chemistry Question 3 | Chemistry

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The density of the solution is 2.15 g mL^$$-$$1, then mass of 2.5 mL solution in correct significant figures is :

53.75 g

5375 $$\times$$ 10^$$-$$3 g

5.4 g

5.38 g

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

What fraction of Fe exists as Fe(III) in Fe_0.96O ?

(Consider Fe_0.96O to be made up of Fe(II) and Fe(III) only)

$${1 \over {20}}$$

$${1 \over {12}}$$

0.08

$${1 \over {16}}$$

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

In one molal solution that contains 0.5 mole of a solute, there is

500 mL of solvent

500 g of solvent

100 mL of solvent

1000 g of solvent

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

What mass of 95% pure CaCO₃ will be required to neutralise 50 mL of 0.5 M HCl solution according to the following reaction?

CaCO_3(s) + 2HCl_(aq) $$\to$$ CaCl_2(aq) + Co_2(g) + 2H₂O_(l)

[Calculate upto second place of decimal point]

1.25 g

1.32 g

3.65 g

9.50 g

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