Silver halides are used in photographic plates because they are
A. Oxidised in air
B. Soluble in hyposolution
C. Reduced by light
D. Totally colourless
Answer: Option C
A. Oxidised in air
B. Soluble in hyposolution
C. Reduced by light
D. Totally colourless
Answer: Option C
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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