Question

Oganic solvents are not suited to be heated with one of the followings:
Oil Bath
Electric hot plate
Water bath
Bunsen burner flame

2 Which of the following is not an inflammable liquid ?
Water
Ethanol
Kerosine
Benzene

3 These are some safety precausions necessary in a chemistry laboratory
Wear loose clothings when in the chemistry laboratory
Wear special laboratory goggles when in the laboratory
Do not carry out authorised experiment
When m ixing water and acid, acid is added unto water

4 The first aid for splash of chemical in the eye is------------.
Bathe the eyes with dilute boric acid if the chemical is a base
Bathe the eyes with dilute sodium bicarbonate
Bathe the eyes with large amount of cold water
Bathe the eyes with large amount of hot water

Answer 1

1. Bunsen burner flame
2. water
3. Wear special laboratory goggles when in the laboratory
When mixing water and acid, acid is added unto water
4. Bathe the eyes with large amount of cold water