Choose the incorrect statement pertaining to organic compounds
A. They have low melting and boiling points
B. They do not dissolve in water
C. They are not easily combustible
D. They contain mainly carbon and hydrogen
Answer: Option C
A. They have low melting and boiling points
B. They do not dissolve in water
C. They are not easily combustible
D. They contain mainly carbon and hydrogen
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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