NDA General Ability 16 April 2023 | Chemistry Question 194 | General Science

General Science

Physics

Chemistry

Biology

NDA General Ability 16 April 2023

MCQ (Single Correct Answer)

-1.33

Which one of the following is the correct arrangement of metals in the decreasing order of their reactivity?

Iron, Sodium, Silver, Copper

Silver, Copper, Iron, Sodium

Sodium, Copper, Silver, Iron

Sodium, Iron, Copper, Silver

NDA General Ability 16 April 2023

MCQ (Single Correct Answer)

-1.33

Which among the following statements is not correct with respect to allotropes of Carbon?

Graphite is a good conductor of electricity.

Diamond is the hardest substance known.

Fullerene is one of the allotropes of carbon.

Next to diamond, graphite is the second hardest known substance.

NDA General Ability 16 April 2023

MCQ (Single Correct Answer)

-1.33

Which among the following is the popular method for manufacture of ammonia?

Ostwald's process

Haber-Bosch process

Electric furnace process

Electrolysis process

NDA General Ability 16 April 2023

MCQ (Single Correct Answer)

-1.33

For manufacturing of glass, which among the following is used as a source of silica?

Fine clay soil

Wood powder

Coconut shell

Sand

Questions Asked from Marks 4