(A) Cytoplasm (X) (B) Cell membrane (X) (C) Chloroplasts () (D) Vacuole (X)
Answers: Chloroplasts contains the green chemical called chlorophyll.
(A) metamerism (X) (B) functional group isomerism (X) (C) geometric isomerism (X) (D) position isomerism ()
Answers: 2-propanol and 1-propanol show the isomerism position isomerism.
(A) radical (X) (B) hydrocarbon (X) (C) functional group () (D) ion (X)
Answers: .A single atom or group of atoms which gives characteristic properties to a compound is called functional group.
(A) OH (X) (B) R-CO-R (X) (C) R-O-R () (D) R-COOH (X)
Answers: Ether functional group can be represented as R-O-R.
(A) n-pentane (X) (B) iso-heptane (X) (C) iso-octane (X) (D) n-heptane ()
Answers: Which one of the following compounds shows intense knocking n-heptane.
(A) Al2O3 (X) (B) Fe2O3 (X) (C) Al2O3 and SiO2 () (D) Fe2O3 and SiO2 (X)
Answers: At low temperature and pressure cracking can be done in presence of catalyst Al2O3 and SiO2.
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