NDA 2018 Paper 2 | Chemistry Question 86 | General Science

NDA 2018 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following is called 'syn gas' ?

C(s) + H₂O(g)

CO(g) + H₂O(g)

CO(g) + H₂(g)

NO₂(g) + H₂(g)

NDA 2018 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following reactions will give NO (nitric oxide) gas as one of the products ?

3Cu + 8HNO₃ (dil.) $$\to$$

Cu + 4HNO₃ (conc.) $$\to$$

4Zn + 10HNO₃ (dil.) $$\to$$

Zn + 4HNO₃ (conc.) $$\to$$

NDA 2018 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following is a tribasic acid?

Hydrochloric acid

Nitric acid

Sulphuric acid

Phosphoric acid

NDA 2018 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements is not correct?

All carbons in diamond are linked by carbon-carbon single bond

Graphite is layered structure in which layers are held together by weak van der Waals' forces

Graphite layers are formed by hexagonal rings of carbon atoms

Graphite layers are held together by carbon-carbon single bond

NDA Subjects

English

General Science

General Studies