2 moles of sodium chloride (NaCl) is equal to...? Mcqs

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2 moles of sodium chloride (NaCl) is equal to...?

(A) 123 grams
(B) 135 grams

(C) 158 grams
(D) 117 grams

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Most asteroids orbit the sun in a region called the asteroid belt between...?

(A) Mars and Jupiter
(B) Jupiter and Saturn

(C) Mercury and Neptune
(D) Venus and Uranus

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Fan was invented by___________...?

(A) Arthur Schimit
(B) Alfered Nobel

(C) Skaats Wheeler
(D) None of these

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A mass of 4 kg is equal to _____...?

(A) 400 g
(B) 4000g

(C) 40 g
(D) 40000 g

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In Astronomy, what are Pallas, Vesta and Davida...?

(A) Stars
(B) Comets

(C) Asteroids
(D) None of these

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Pollen grains are microscopic structure located in _____ of flower....?

(A) Stamen
(B) Anther

(C) Pistil
(D) Petal

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In the periodic table, rows is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...?

(A) Air pollution
(B) Ozone depletion

(C) Acid rain
(D) Greenhouse effect

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The frequency of a turning fork determined by a:...?

(A) Magnetic tape
(B) Modulator

(C) Sonometer
(D) Reed instrument

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A thin partially permeable layer around the animal cell which control the substances that enter and exist is called...?

(A) Cell Wall
(B) Cell Membrane

(C) Cytoplasm
(D) Nucleus

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