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Q:

Which of the following is a natural polymer?

A) Bakelite B) Nylon
C) Polythene D) Starch
 
Answer & Explanation Answer: D) Starch

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Q:

At low temperature, Lead behaves as a :

A) Semi conductor B) Super conductor
C) Insulator D) Conductor
 
Answer & Explanation Answer: B) Super conductor

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Q:

Turquoise is an ore/mineral of

A) Copper B) Manganese
C) Mercury D) Tin
 
Answer & Explanation Answer: A) Copper

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Q:

Which among the following is not a characteristic of oxidation reaction?

A) It involves addition of hydrogen B) It involves addition of oxygen
C) It involves loss of electrons D) 4) It involves addition of electronegative element
 
Answer & Explanation Answer: A) It involves addition of hydrogen

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Q:

Which among the following is false about alpha particles?

A) They have high ionizing power B) They have high penetrating power
C) They have high kinetic energy D) They are positively charged helium nuclei
 
Answer & Explanation Answer: B) They have high penetrating power

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Q:

Chromite is an ore/mineral of

A) Zinc B) Uranium
C) Chromium D) Titanium
 
Answer & Explanation Answer: C) Chromium

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Q:

Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.

A) 4 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: D) 1

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Q:

What is the full form of PVC?

A) Phosphonil vinyl Carbonate B) Polyvinyl S Carbonate
C) Polyvinyl Carbonate D) Polyvinyl Chloride
 
Answer & Explanation Answer: D) Polyvinyl Chloride

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