The general formula for alkanes is _____...? Mcqs

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The general formula for alkanes is _____...?

(A) CnH2n
(B) CnH2n+1

(C) CnH2n+2
(D) CnH2n-1

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Which statement is incorrect about gas molecules...?

(A) Molecules are widely separated
(B) Molecules have low attractive forces

(C) Molecules free to move in any direction
(D) Molecules collide with one another

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When an object is placed very close to a concave mirror its image will be...?

(A) Virtual
(B) Upright

(C) Larger in size than the object
(D) All of these

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Which of the following is the formula of glucose...?

(A) C6H12O6
(B) C6H6

(C) C6H2O6
(D) None

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A measuring cylinder is used in a laboratories for measuring exact volume of a _____...?

(A) Solid
(B) Gas

(C) Powder
(D) Liquid

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How many pairs of walking legs does a cockroach have...?

(A) One
(B) Two

(C) Three
(D) Four

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What is amoxicillin...?

(A) Type of birth control
(B) A herbal remedy

(C) An antibiotic
(D) None

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Which of the following is made up of Calcium...?

(A) Plasma
(B) Bile

(C) Blood
(D) Teeth

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Vector quantities have _____ along with magnitude and unit....?

(A) Magnitude
(B) Direction

(C) Both a and b
(D) None of them

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Which one of the following is called the Blood Bank...?

(A) Kidneys
(B) Liver

(C) Spleen
(D) Heart

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