1.

Which of the following is a triatomic molecule? (a) Glucose (b) Helium (c) Carbon dioxide (d) Hydrogen.

Answer»

(c) Carbon dioxide

(a) Glucose = C6H12O6 (Polyatomic molecule)

(b) Helium = He (Monoatomic molecule) 

(c) Carbon dioxide = CO2

(Triatomic molecule) 

(d) Hydrogen = H2 (Diatomic molecule)

So, (c) is the correct answer



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