NDA General Ability 3 September 2023 | Chemistry Question 167 | General Science

General Science

Physics

Chemistry

Biology

NDA General Ability 3 September 2023

MCQ (Single Correct Answer)

-1.33

Galvanization is a method of protecting iron from rusting by coating with a thin layer of

Gallium

Aluminum

Zinc

Silver

NDA General Ability 3 September 2023

MCQ (Single Correct Answer)

-1.33

Which one of the following alloys contains a non-metal as one of its constituent?

Brass

Bronze

Amalgam

Steel

NDA General Ability 3 September 2023

MCQ (Single Correct Answer)

-1.33

Buckminster fullerene, which looks like a football, is an allotropic form of

Phosphorus

Sulfur

Carbon

Tin

NDA General Ability 3 September 2023

MCQ (Single Correct Answer)

-1.33

Consider the following reaction:

Fe₂O₃(s) + 2Al(s) → 2Fe(s) + Al₂O₃(s)

Which of the following statements about the given reaction is NOT correct?

It is an example of displacement reaction

It is highly endothermic reaction

Fe2O3 acts as oxidizing agent

This reaction is applicable to joining of railway tracks

Questions Asked from Marks 4