Gaseous state, the density of a gas ''A'' is twice that of gas ''B'' at sam...

the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB

An electron has kinetic energy, An electron has kinetic energy 2.8 x 10 -2...

An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m                 (2) 9.28 x10 -7 m

Equivalent weight, what is equivalent weight of formaldehyde(HCHO)

what is equivalent weight of formaldehyde(HCHO)

Polymer - organic chemistry, Polymer Polymers are compound of extremely...

Polymer Polymers are compound of extremely high molecular masses made by the combination of a large number of simple molecules. The simple molecules that combine to offer po

Confirmatory test of metalic radical, dry test of cuso4

dry test of cuso4

Uses of BHC,

Semiconductor, variation of cnductivigy with temperature

variation of cnductivigy with temperature

Maximum number of electrons, The maximum number of electrons which each sub...

The maximum number of electrons which each sub-shell can occupy is: (1)  2n 2                 (2) 2n            (3) 2 (2l+1)                     (4) (2l+1) Ans: 2

Aldehydes and ketones, Aldehydes and Ketones Carbonyl compounds are of ...

Aldehydes and Ketones Carbonyl compounds are of two types, ketones and aldehydes. Both of them comprise a carbon-oxygen double bond frequently known as carbonyl group.

Laws of crystallography, how many laws of crystallography?

how many laws of crystallography?