Which one of the following is also known as shooting stars...? Mcqs

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Which one of the following is also known as shooting stars...?

(A) Asteroids
(B) Comets

(C) Black Holes
(D) Meteoroids

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Latest MCQs

The speed of the sound in air is ______...?

(A) 143 m/s
(B) 243 m/s

(C) 343 m/s
(D) 443 m/s

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Latest MCQs

______ structures have different functions (physiology) but having similar internal architecture....?

(A) Analogous
(B) Homologous

(C) Vestigial
(D) Rudimentary

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Latest MCQs

Which of the following is helpful for removal of permanent hardness...?

(A) Na2CO3
(B) Ca(OH)2

(C) CaCO2
(D) Na2SO4

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A device which converts chemical energy into electrical energy is called __________...?

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

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What percentage of earth’s water supply is fresh water___________...?

(A) 3%
(B) 5%

(C) 21%
(D) None of these

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Which has the lowest pH...?

(A) Hepatic Bile
(B) Gastric Juice

(C) Saliva
(D) Pancreatic Juice

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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

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Which statement is incorrect about chemical reactions...?

(A) States of matter does not change during chemical reactions
(B) Chemical reactions produce new substances

(C) Chemical reactions occur with the absorption or emission of energy
(D) Chemical reactions may be fast, moderate or slow

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Patela is a bone of the ________...?

(A) Skull
(B) Leg

(C) Arm
(D) Chest

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