A. Cu and Mg B. Cu and Su C. Cu and Zn D. Cu and Pb Correct Answer: Option B…
A. Animal hide B. Paper C. Plastic D. Wood Correct Answer: Option C C. Plastic
A. is injurious to health B. has low degree of purity C. is produced in relatively small amount D. can…
A. Ethene B. Methane C. Calcium D. Hydrogen Correct Answer: Option A A. Ethene
A. act as a catalyst B. act as reducing agent C. remove impurity D. supply carbon (IV) oxide Correct Answer:…
A. CH B. CH2- C. CH3 D. C3H2 Correct Answer: Option A A. CH
A. Combustion B. Addition C. Polymerization D. Condensation Correct Answer: Option A A. Combustion
A. Benzene B. Cyclobutane C. Hexane D. Pentane Correct Answer: Option A A. Benzene
A. soap B. sodium ethanoate C. sodium methoxide D. water Correct Answer: Option B B. sodium ethanoate