Working safely

Question 1

What do we mean by a ‘hazard’?

Answer 1

The object or substance that can cause harm.

Question 2

What do we mean by a ‘risk’?

Answer 2

What harm the object or substance can cause

Question 3

What do we mean by a ‘control measure’?

Answer 3

How you will reduce or eliminate the risk to yourself and others

Question 4

When we light a bunsen burner, should the air hole be open or closed?

Answer 4

Always closed.

Question 5

When using a bunsen to heat, should we be using the blue flame or the yellow flame?

Answer 5

The blue flame

Question 6

If a chemical is labelled as ‘toxic’, what does that tell you about it?

Answer 6

It is poisonous.

Question 7

If a chemical is labelled as ‘flammable’, what does that tell you about it?

Answer 7

It can catch fire and burn.

Question 8

If a chemical is labelled as ‘inflammable’, what does that tell you about it?

Answer 8

It can catch fire and burn. Flammable and Inflammable mean the same thing!

Question 9

If a substance is labelled as ‘corrosive’, what does that tell you about it?

Answer 9

It will corrode or ‘burn away’ substances that it touches.

Question 10

Which piece of safety equipment must be used during every practical lesson?

Answer 10

Goggles/eye protection (and common sense!)