The Green House Effect is caused by an excess of ...? Mcqs

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The Green House Effect is caused by an excess of ...?

(A) Carbon dioxide
(B) Carbon monoxide

(C) Carbon tetrachloride
(D) None of the above

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What is the method that kills harmful microorganisms and prevents the spread of waterborne diseases such as cholera, dysentery, and typhoid...?

(A) Filtration
(B) Sedimentation

(C) Chlorination
(D) Distillation

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According to many, including the Guinness Book of World Record,________is the world’s rarest mineral...?

(A) Painite
(B) Benitoite

(C) Jadeite
(D) Taaffeite

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Liquid can be converted into solid by...?

(A) Heating
(B) Cooling

(C) Both A and B
(D) None

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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

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Dyne is the unit of...?

(A) Force
(B) Pressure

(C) Velocity
(D) Momentum

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Microscopes are instrument designed to produce _____ visual image....?

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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The production of rubber tree is better adopted to areas where the climate is_________...?

(A) Warm and humid
(B) Warm and dry

(C) Cool and moist
(D) cool and dry

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How many kgs are in one ton...?

(A) 707
(B) 907

(C) 807
(D) 607

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Which of the following cutting conditions greatly affects the tool wear...?

(A) Cutting speed
(B) Feed

(C) Depth of cut
(D) None of the above

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