5 Out of 2250 parts of earth is sulphur. What is the percentage of sulphur in earth? `(11)/(50)` b. `2/9` c. `1/(45)` d. `2/(45)`

What is the percentage of sulphur in sulphuric acid (H_(2)SO_(4)) ?

What percent of (2)/(9) is (1)/(45) ?

2.18g of an organic compound containing sulphur produces 1.02 g of BaSO_(4) . The percentage of sulphur in the compound is

20 gms of sulphur on burning in air produced 11.2 lits of SO_(2) at STP. The percentage of unreacted sulphur

-2 3/7+4=? (-11)/7 (b) (11)/7 (-45)/7 (d) (45)/7

The number of girls in School A is approximately what percentage of the total number of students in School B?( a) 55 (b) 50 (c) 35 (d) 45 (e) 40

A certain sample of coal contains 1% of sulphur by weight. What is the weight of sulphur dioxide produced when 2'10^(6) kg of this coal is burnt?