Total mass of the reactants and products will remain conserved during a chemical reaction, this statement is called _____...? Mcqs

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Total mass of the reactants and products will remain conserved during a chemical reaction, this statement is called _____...?

(A) Law of definite proportions
(B) Law of conservation of mass

(C) Law of multiple proportions
(D) Law of reciprocal proportions

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Which of the following material is more elastic...?

(A) Rubber
(B) Glass

(C) Steel
(D) Wood

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The average adult has a blood volume of about __________ liters....?

(A) 4
(B) 5

(C) 6
(D) 7

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Non stick cooking utensils are coated with________...?

(A) Black paint
(B) PVC

(C) Teflon
(D) polystyrene

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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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The band of seven colours is called _____...?

(A) Prism
(B) Rainbow

(C) Lightwave
(D) Spectrum

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Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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Which organelle contains thread-like structures that store chemical instructions for cell growth and function...?

(A) Mitochondria
(B) Ribosomes

(C) Chromosomes
(D) Lysosomes

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What happens when you put sand, salt and sawdust in glass of water...?

(A) Salt has dissolved in water
(B) Sand sank to the bottom

(C) Sawdust floated on the top
(D) All of these

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Colourless, irregular in shape, nucleated and larger sized cell than R.B.Cs called...?

(A) Erythrocytes
(B) Platelets

(C) Leucocytes
(D) Lymphocytes

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