Chemistry MCQs

Page No. 10

The heat required to raise the temperature of body by 1 K is called___________?


aspecific heat


bthermal capacity


cwater equivalent


dNone of the above


View Answer thermal capacity

The most commonly used bleaching agent is_________?


aAlcohol


bCarbon dioxide


cchlorine


dsodium chlorine


View Answer chlorine

The main buffer system of the human blood is____________?


aH2CO3 – HCO3


bH2CO3 – CO32-


cCH3COOH – CH3COO–


dNH2CONH2 – NH2CONH+


View Answer H2CO3 – HCO3

Which of the following orbitals has maximum penetration effect?


as


bp


cd


df


View Answer s

Which of the following is most soluble on water?


aBaSO4


bCaSO4


cSrSO4


dMgSO4


View Answer MgSO4

The common oxidation state of lanthanides is_________?


a+3


b+1


c+2


d+4


View Answer +3

Which one of the following is a bridge element?


aBe


bCl


cK


dP


View Answer Be

The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?


as-Block


bp-Block


cd-Block


df-Block


View Answer f-Block

Which group contains elements that exist as monoatomic molecule?


a1


b2


c14


d18


View Answer 18

The concept of telluric helix was developed by___________?


aLother Meyer


bA.E de Chancourtois


cNewland


dDobereiner


View Answer A.E de Chancourtois

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