Permanent hardness of water can be removed by adding __________...? Mcqs

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Permanent hardness of water can be removed by adding __________...?

(A) Chlorine
(B) Washing soda

(C) Bleaching powder
(D) None of these

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The major differentiating organelle of animal and plant cells is ______...?

(A) Cell Membrane
(B) Chloroplast

(C) Nucleus
(D) Cytoplasm

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In Essential thrombocythemia (ET) condition, bone marrow makes...?

(A) Too few platelets
(B) Normal platelets

(C) Too many platelets
(D) Does not effect

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According to many, including the Guinness Book of World Record,________is the world’s rarest mineral...?

(A) Painite
(B) Benitoite

(C) Jadeite
(D) Taaffeite

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Seeds is produced by ___...?

(A) pollen tube
(B) thalamus

(C) ovules
(D) none of these

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Approximate age of milky-way is ________...?

(A) 16.5 billion years
(B) 15.5 billion years

(C) 13.5 billion years
(D) 14.5 billion years

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The density of Air is_____________...?

(A) 0.225 kg/m3
(B) 1.025 kg/m3

(C) 1.225 kg/m3
(D) 1.425 kg/m3

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First Atomic theory was proposed by...?

(A) John Dalton
(B) E.Rutherford

(C) De Broglie
(D) D.I.Mendeleef

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How many layers does the earth have...?

(A) 1
(B) 2

(C) 3
(D) 4

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How many muscles in human body...?

(A) 632
(B) 639

(C) 642
(D) None of these

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