What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?
A. There is a crackling sound
B. There is a violent explosion.
C. There is no reaction.
D. The paper ignites
Answer: Option B
A. There is a crackling sound
B. There is a violent explosion.
C. There is no reaction.
D. The paper ignites
Answer: Option B
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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