An adult have permanent teeth...? Mcqs

PPSC Past Papers

Latest MCQs

An adult have permanent teeth...?

(A) 30
(B) 40

(C) 50
(D) 32

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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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Latest MCQs

What prevents the earth’s atmosphere from drifting away into space...?

(A) Gravity
(B) Ozone layer

(C) Troposphere
(D) Ecosystem

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