Question

30.. When Ag is exposed to air it gets a black coating of (a) AgNO (b) Ag2 16 Ag2O (di A9200 31. In a chemical reaction between sulphuric acid and barium chloride solutio are of: a Hydrochlonc acid b Barium sulphate Chlorine 32. The respiration process during wbich glucose undergoes slow combustion cells of our body to produce energy, is a kind of: a. Exothermic process b. Endothermic process Reversible process d. Physical process​

Answer 1

Answer:

30.. When Ag is exposed to air it gets a black coating of (a) AgNO (b) Ag2 16 Ag2O (di A9200 31. In a chemical reaction between sulphuric acid and barium chloride solutio are of: a Hydrochlonc acid b Barium sulphate Chlorine 32. The respiration process during wbich glucose undergoes slow combustion cells of our body to produce energy, is a kind of: a. Exothermic process b. Endothermic process Reversible process d. Physical process

30.. When Ag is exposed to air it gets a black coating of (a) AgNO (b) Ag2 16 Ag2O (di A9200 31. In a chemical reaction between sulphuric acid and barium chloride solutio are of: a Hydrochlonc acid b Barium sulphate Chlorine 32. The respiration process during wbich glucose undergoes slow combustion cells of our body to produce energy, is a kind of: a. Exothermic process b. Endothermic process Reversible process d. Physical process