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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

Subtopic: Preparation & Properties |

Level 3: 35%-60%

NEET - 2023

Hints

The element used for welding metals with high melting points is:
1. Cl₂
2. H₂
3. Ne
4. He

Subtopic: Preparation & Properties |

66%

Level 2: 60%+

NEET - 2022

Hints