Important Chemistry GK Questions

Rajesh Bhatia3 years ago 5.6K Views Join Examsbookapp store google play
Important Chemistry GK Questions
Q :  

Which of the following is the conductor of nonmetal electricity?

(A) graphite

(B) Copper

(C) Sulfur

(D) diamond


Correct Answer : A

Q :  

Is zinc ore?

(A) zinc blade

(B) Bauxite

(C) sodium chloride

(D) Sinawar


Correct Answer : A

Q :  

What percentage of carbon is in steel?

(A) 3%

(B) 4%

(C) 2%

(D) 5%


Correct Answer : C

Q :  

Which metal starts floating when put in water?

(A) calcium

(B) Nickel

(C) Magnesium

(D) Potassium


Correct Answer : A

Q :  

What is an oxidation-reduction reaction called?

(A) endothermic reaction

(B) Redox reaction

(C) precipitation reaction

(D) exothermic reaction


Correct Answer : B

Q :  

In the presence of sunlight, plants prepare their food (glucose) with CO2 and water. What is this reaction?

(A) Displacement

(B) Disintegration

(C) Photochemical

(D) precipitation


Correct Answer : C
Explanation :

Photochemical is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.


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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.

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