Answers The removal of excess water from the sub-soil is known as The removal of excess water from the sub-soil is known as A. irrigation B. drainage C. evaporations D. dehydration Correct Answer: Option B Explanation
Answers (i) Describe briefly the industrial preparation of ammonia. (ii) Write a balanced equation for the… (a)(i) Describe briefly the industrial preparation of ammonia. (ii) Write a balanced equation for the reaction in (a)(i).… Read More
Answers The perimeter of a rectangular lawn is 24m. If the area of the lawn is… The perimeter of a rectangular lawn is 24m. If the area of the lawn is 35m2; how wide… Read More
Answers When chlorine gas is passed into a solution of sulphur dioxide? When chlorine gas is passed into a solution of sulphur dioxide? A. sulphur dioxide is reduced to sulphur… Read More
Answers The general formula of alkanones is The general formula of alkanones is A. RCHO B. R(_2)CO C. RCOOH D. RCOOR Correct Answer: Option B… Read More
Answers The Van der waals’ forces are dominant intermolecular forces in_______? The Van der waals’ forces are dominant intermolecular forces in_______? A. Ammonium chloride B. Chlorine C. Sodium chloride… Read More