Which of the following methods can be used to keep our hands clean?
Washing hands with cream
Washing hands with water
Washing hands with oil
Washing hands with soap
Washing hands with water and soap, using a clean towel to wipe off the water is a healthy habit to keep hands clean.
Washing hands with soap is a good practice to keep germs away.
Fill in the blank with the correct tense in the following sentence:
Even the early doctors knew that washing hands _____ infection.
Question 09. If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done ? (a) Wash the hand with saline solution (b) Wash the hand immediately with plenty of water and apply a paste of sodium hydrogencarbonate (c) After washing with plenty of water apply solution of sodium hydroxide on the hand (d) Neutralise the acid with a strong alkali