A formula that indicates actual number and type of atoms in a molecule is called...? Mcqs

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A formula that indicates actual number and type of atoms in a molecule is called...?

(A) Chemical formula
(B) Empirical formula

(C) Molecular formula
(D) Formula mass

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Weather satellites are used for _____...?

(A) Provide weather forecasting
(B) TV signal broadcasting

(C) Telecommunication
(D) Space exploration

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Naturally occurring enzyme used as a defense chemical by bacteria ______...?

(A) Defense protein
(B) Restriction enzyme

(C) Hydrolytic enzyme
(D) Ligase enzyme

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Bleaching powder contains___________...?

(A) Nitrogen
(B) Iodine

(C) Chlorine
(D) Bromine

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Saliva contains__________...?

(A) Amylases
(B) Bite

(C) Trypsin
(D) None of these

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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 used for hearing the sound of heart and lungs...?

(A) Steroscope
(B) Stethoscope

(C) Oscillator
(D) Oncolator

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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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Microorganisms are classified into how many main groups...?

(A) 2
(B) 3

(C) 4
(D) 5

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A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to____________...?

(A) Prop him up if he falls
(B) Spread out his weight and reduce the pressure on the rope

(C) Add extra weight to keep the rope tightly stretched
(D) To keep the centre of gravity always vertically above the rope

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