Formula of Galena is________?
Formula of Galena is________?
A. PbS
B. HgS
C. AS2S3
D. FeS2
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Which one of the following does not show hydrogen bonding?
Which one of the following does not show hydrogen bonding?A. Water
B. Ethyl alcohol
C. Phenol
D. Diethyl etherCompounds attracted by applied strong magnetic field are called__________________?
Compounds attracted by applied strong magnetic field are called__________________?A. diamagnetic
B. paramagnetic
C. good conductor
D. ferromagneticDensity of H2SO4 in lead accumulator is__________________?
Density of H2SO4 in lead accumulator is__________________?A. 1.25g/cm3
B. 1.3g/cm3
C. 1.20g/cm3
D. 1.15g/cm3Anything which increases rate of reaction without being involved in the reaction________________?
Anything which increases rate of reaction without being involved in the reaction________________?A. Promoter
B. Catalyst
C. Inhibitor
D. All of the aboveBosch Process involves _______?
Bosch Process involves _______?A. Reduction
B. Oxidation
C. Isomerization
D. CracklingWhen an atom absorbs energy the lines in the spectrum will appear which are_________________?
When an atom absorbs energy the lines in the spectrum will appear which are_________________?A. Brighter
B. Darker
C. Colourless
D. Hard to locate