NEET
Chemistry

Preparation Properties

Low Priority
Consistency: 5%
Weightage: 1 / 20 Yrs

High-Yield Trend

1
2023

Questions
1 MCQs

01
PYQ 2023
medium
chemistry ID: neet-202
Which of the following statements is NOT correct?
A. Hydrogen is used to reduce heavy metal oxides to metals.
B. Heavy water is used to study the reaction mechanism.
C. Hydrogen is used to make saturated fats from oils.
D. The H-H bond dissociation enthalpy is lowest as compared to a single bond between two atoms of any element.
E. Hydrogen reduces oxides of metals that are more active than iron.
Choose the most appropriate answer from the options given below:
1. A, B, C only 2. B, C, D, E only
3. B, D only 4. D, E only
1
(1)
2
(2)
3
(3)
4
(4)