Q.

Two elements which can form a large number of compounds are

A. Carbon and Hydrogen
B. Carbon and Nitrogen
C. Carbon and Oxygen
D. Carbon and Sulphur
Answer» A. Carbon and Hydrogen
Explanation: The carbon-hydrogen bond (C-H bond) is a bond between carbon and hydrogen atoms that can be found in many organic compounds. Compound classes consisting solely of C-H bonds and C-C bonds are alkanes, alkenes, alkynes, and aromatic hydrocarbons. Collectively they are known as hydrocarbons.
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