Question

4 litres of 100 percent pure sulphuric acid is added to six litres of 20 percent sulphuric acid. what is the strength of the acid in new mixture ​

Answer 1

Answer:

20. 21. 23. 24. 25. 27. 28. 29. Acane contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and ...