Preparation & Properties Past Year (2019 onward - NTA Papers) MCQs Hydrogen (OLD NCERT) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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 |

From NCERT

NEET - 2023

Please attempt this question first.

Hints

Please attempt this question first.

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

Subtopic: Preparation & Properties |

69%

From NCERT

NEET - 2022

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

Hints

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh