Photographic plates are coated with a thin film of _________________?
Photographic plates are coated with a thin film of _________________?
A. AgNO3
B. AgI
C. AgCl
D. AgBr
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Which of the following shows electrical conduction_____?
Which of the following shows electrical conduction_____?A. Potassium
B. Graphite
C. Diamond
D. SodiumColumn of manometer which faces liquid is __________ ?
Column of manometer which faces liquid is __________ ?A. Raised
B. Depressed
C. Compressed
D. Remains sameThe Bond Energy of H-F is________?
The Bond Energy of H-F is________?A. 456kJ/mol
B. 562kJ/mol
C. 281kJ/mol
D. NoneWhich is carnalite________________?
Which is carnalite________________?A. KCI
B. NaCI
C. KCI MgCl2 6H2O
D. Na2CO3. 10H2OWhich one of the following makes the bulk of hydrospheres content ?
Which one of the following makes the bulk of hydrospheres content ?A. oceans
B. glaciers & icecaps
C. fresh water lakes and ponds
D. All have equal distributionThe quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?A. vaporization
B. evaporation
C. crystallization
D. sublimation