A. 13 electrons and 14 protons B. 13 neutrons and 14 protons C. 13 protons and 14 neutrons D. 13…
A. 3p to 3s B. 3p to 4p C. 2s to 2p D. 1s to 2s Correct Answer: Option A…
A. Manufacture of drugs B. Treatment of domestic sewage C. Production of alcoholic beverages D. Electroplating of metals Correct Answer:…
A. Brass B. Duralumin C. Stainless steel D. Soft solder Correct Answer: Option D D. Soft solder
A. Pb(NO3)2(aq) and NaCI(aq) B. MgSO4(aq) and HCI(aq) C. ZnCI2(aq) and NaSO4(aq) D. NaOH(aq) and HNO3(aq) Correct Answer: Option A…
A. copper (ll) tetraoxosulphate (IV) B. sodium trioxocarbonate (IV) C. sodium chloride D. alum Correct Answer: Option B B. sodium…
A. polymerization B. addition C. substitution D. esterification Correct Answer: Option D D. esterification
A. hydrocarbons B. alkanoates C. alkanols D. carbohydrates Correct Answer: Option B B. alkanoates
A. purple B. colourless C. green D. pink Correct Answer: Option B B. colourless
A. Sucrose B. Glucose C. Fructose D. Maltose Correct Answer: Option A A. Sucrose