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JEE-MAIN SERIES
Chemistry

Heavy Water

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

2
2023
2
2022

Chapter Questions
4 MCQs

01
PYQ 2022
medium
chemistry ID: jee-main
Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to
1
CaCO3 and Mg(OH)2
2
CaCO3 and MgCO3
3
Ca(OH)2 and MgCO3
4
Ca(OH)2 and Mg(OH)2
02
PYQ 2022
medium
chemistry ID: jee-main

Solute A associates in water. When 0.7 g of solute A is dissolved in 42.0 gof water, it depresses the freezing point by 0.2Ā°C. The percentage association of solute A in water is :

[Given : Molar mass of A = 93 g molā€“1. Molal depression constant of water is 1.86 K kg molā€“1.]

1
50%
2
60%
3
70%
4
80%
03
PYQ 2023
medium
chemistry ID: jee-main
Given below are two statements:
Statement I: Permutit process is more efficient compared to the synthetic resin method for the softening of water.
Statement II: Synthetic resin method results in the formation of soluble sodium salts.
In the light of the above statements, choose the most appropriate answer from the options given below:
1
Both the Statements I and II are correct
2
Both the Statements I and II are incorrect
3
Statement I is correct but Statement II is incorrect
4
Statement I is incorrect but Statement II is correct
04
PYQ 2023
medium
chemistry ID: jee-main
Match List-I with List-II :
List-I (Species) List-II (Maximum allowed concentration in ppm in drinking water)
AF-I< 50 ppm
B II< 5 ppm
C III< 2 ppm
DZnIV< 500 ppm

Choose the correct answer from the options given below :

1
A-III, B-II, C-I, D-IV
2
A-IV, B-III, C-II, D-IĀ 
3
A-II, B-I, C-III, D-IV
4
A-I, B-II, C-III, D-IV

About Heavy Water - JEE-MAIN

Heavy Water is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

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Review the topic breakdown to see which sub-topics within Heavy Water carry the most weight. Then, tackle the questions iteratively to solidify your understanding.