Which of the following you should do in the laboratory while performing an experiment?

i. Pour acids and bases over a sink
ii. Wear goggles
iii. Heat a stoppered test tube

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Solution

Both acids and bases can cause damage to drains, pipes, and tanks. Most of them are highly corrosive in nature.
Heating a stoppered test tube can cause the boiling to be extremely sudden, forcing the liquid out of the tube or vapours do not have space for coming out of test tube so it can damage test tube.
Wearing goggles while performing an experiment is essential to protect your eyes from splashing chemicals.

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Which of the following you should do in the laboratory while performing an experiment? i. Pour acids and bases over a sink ii. Wear goggles iii. Heat a stoppered test tube

Which of the following you should do in the laboratory while performing an experiment?

i. Pour acids and bases over a sink
ii. Wear goggles
iii. Heat a stoppered test tube