NDA General Ability 18 April 2021 | Chemistry Question 231 | General Science

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Physics

Chemistry

Biology

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

LED (a semi-conductor device) is an abbreviation that stands for

Licence for Energy Dectector.

Light Energy Device.

Light Emitting Diode.

Lost Energy Detector.

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

Which one of the following is the chemical formula of Hypobromous acid?

HBrO₄

HOBr

HBr

HBrO₃

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

Which one of the following is not used as a raw material in the manufacture of glass?

Soda

Alumina

Borax

Gypsum

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

In electrolytic refining of copper, the electrolyte is a solution of

Acidified copper chloride.

Acidified copper sulphate.

Potassium chloride.

Sodium sulphate.

Questions Asked from Marks 4