NDA General Ability 10 April 2022 | Chemistry Question 215 | General Science

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NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

For an element with atomic number 35, which one of the following will be the correct number of electrons in its valence shell based on Bohr's model of an atom?

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Which one of the following is not an example of a redox reaction?

AlCl₃ + 3H₂O → Al(OH)₃ + 3HCl

2NaH → 2Na + H₂

4Fe +3O₂→ 2Fe₂O₃

CuSO₄ + Zn → Cu + ZnSO₄

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Which one of the following allotropes of carbon is isomorphous with crystalline silicon?

Coke

Diamond

Graphite

Coal

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Which one of the following is the colour of hydrogen gas?

Light yellow

Orange

Black

Colourless

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Questions Asked from Marks 4

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