Plaster of Paris should be stored in a moisture-proof container. Explain why?
Plaster of Paris should be stored in a moisture-proof container because moisture can affect the plaster of Paris by slowing down the setting of the plaster because of hydration. This will turn plaster useless.
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.
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?
Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.