Safety rules ang good lab practices

Question 1

What will u do if there is a fire due to gas leakage?

Answer 1

Turn off the gas tank regulator then cover it with sand or wet cloth.

Question 2

How to neutralize acid on clothing

Answer 2

Use dilute sodium bicarbonate solution

Question 3

How to neutralize a spilled base on clothing

Answer 3

Use BORIC ACID SOLUTION (50 g/L)

Question 4

Neutralize a spilled acid/base on desk

Answer 4

Use SOLID SODIUM BICARBONATE, FOLLOWED BY WATER

Question 5

TRUE OR FALSE
Never return unused chemicals to the stock bottle.

Answer 5

TRUE

Question 6

TRUE OR FALSE
Do not insert your own medicine dropper into the reagent bottles to avoid contamination.

Answer 6

TRUE

Question 7

TRUE OR FALSE
Lay down the stopper of a reagent bottle

Answer 7

FALSE

Question 8

Why should you not heat thick glassware (graduated cylinder, volumetric flasks, or bottles)?

Answer 8

Because they break easily and heating distorts the glass which leads to the invalidation of calibration.

Question 9

First Aid:
Chemicals in the eye

Answer 9

Hold the eye open and immediately flush with water (continue for at least 15 minutes).

Question 10

First Aid:
Chemicals Spilled on Skin

Answer 10

Flush with latge amount of water for 15 mins.

Question 11

First Aid:
Severe Bleeding

Answer 11

Apply pressure or tourniquet.

Question 12

First Aid:
Minor Burns

Answer 12

Apply burn ointment (from stockroom).