NDA General Ability 13 April 2025 | Chemistry Question 148 | General Science

General Science

Physics

Chemistry

Biology

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following nitrogen oxides may dimerize?

N₂O

NO₂

N₂O₃

N₂O₅

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following statements regarding oxidation and reduction reactions is NOT correct?

If a substance loses hydrogen during reaction, it is reduced

If a substance loses oxygen during reaction, it is reduced

If a substance gains hydrogen during reaction, it is reduced

If a substance gains oxygen during reaction, it is oxidized

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

For acid rain, the pH of rain water should be less than

7·0

6·6

5·6

8·0

NDA General Ability 13 April 2025

MCQ (Single Correct Answer)

-1.33

What happens when the fat and oil containing food materials are left outside for a long time?

Fats and oils in the food get oxidized

Fats and oils in the food get reduced

Fats and oils in the food get ice-covered

No reaction takes place

Questions Asked from Marks 4