QuestionKart - Questions

cds- Question :

Which one among the following compounds has same equivalent weight and molecular weight ?

A :

H2SO2

B :

CaCl2

C :

Na2SO4

D :

NaCl

cds- Question :

An electron and a proton are circulating with same speed in circular paths of equal radius.Which one among the following will happen, if the mass of a proton is about 2,000 times that of an electron ?

A :

The centripetal force required by the electron is about 2,000 times more than that required by the proton

B :

The centripetal force required by the proton is about 2,000 times more than that required by the electron

C :

No centripetal force is required for any charged particle

D :

Equal centripetal force acts on both the particles as they rotate in the same circular path

cds- Question :

Who among the following proposed that atom is indivisible ?

A :

Dalton

B :

Berzelius

C :

Rutherford

D :

Avogadro

cds- Question :

Which one of the following statements is not correct?

A :

Water starts boiling when its vapour pressure becomes equal to atmospheric pressure.

B :

Water is solvent.

C :

Permanent hardness of water is due to presence of MgCl2 CaCl2 MgSO4 and CaSQ4

D :

Density of ice is greater than that of water

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