Advertisements
Advertisements
Question
Give reasons for the following
Ordinary soap is wasted in hard water.
Advertisements
Solution
Ordinary soap is wasted in hard water because hard water is one which does not lather with soap.
RELATED QUESTIONS
Give two examples of the following substance.
Food preservatives
Give two examples of the following substance.
Building materials
Give two examples of the following substance.
Chemical war weapons
How is chemistry helpful in improving the health of human beings?
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Safety lamp
State the contributions of Dimitri Mendeleev
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
