A solution turns red litmus blue, its pH is likely to be
Answer is 10 because litmus paper turns blue when reacts with basic solution (PH more than 7). Hence 10 is the answer.
Provide Some Important MCQ Questions for Class 10 Science Acids, Bases and Salts with Answers?
Give two important uses of washing soda and baking soda.
What is a neutralisation reaction? Give two examples.
Plaster of Paris should be stored in a moisture-proof container. Explain why?
A milkman adds a very small amount of baking soda to fresh milk.
(a) Why does he shift the pH of the fresh milk from 6 to slightly alkaline?
(b) Why does this milk take a long time to set as curd?