Safety In Chemical Laboratory: Question Preview (ID: 11578)


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Indicate the action that does not ensure safety in handling chemicals.
a) Use a stopper to close the test tube. b) Use your hand to fan vapours towards your nose. c) One can use his mouth to draw liquid into the pipet. d) When heating test tube, point its mouth away from yourself
Choose the appropriate statement that describes flammable substances.
a) They can be dangerous to health. b) They can not catch fire. c) They can catch fire on only brief contact with air. d) They can cause serious poisoning.
Indicate which of the following is not a protective clothing or equipment.
a) Laboratory coat. b) Rubber gloves. c) Necklaces. d) Eye classes or eye goggles.
Indicate the action that ensures safety in handling chemicals.
a) One can use his hands to transfer solids. b) One can stopper the test tube with his thumb. c) One can heat a closed flask. d) One can use wooden/metallic tongs to handle hot objects.
Indicate the action that may lead to an accident in chemical laboratory.
a) Use a stopper to close a test tube. b) Don't try to check for odors directly. c) Never mouth-pipet any chemicals. d) When heating test tube, point its mouth towards yourself
Indicate the action that may lead to an accident in chemical laboratory.
a) Smell chemicals to check odors. b) Never cool suddenly a heated glass container. c) Close containers tightly after use. d) Use tongs to handle hot objects.
Indicate the action that may lead to an accident in chemical laboratory.
a) Avoid splashing when transferring liquids. b) Use pipet filler to draw liquid into pipet. c) Heat a closed flask. d) Use spatula to transfer solids.
Choose the safety guideline that regulates the usage and handling of chemicals.
a) Pour liquids carefully using glass rod. b) Stopper the test tube with your thumb. c) Hot objects can be handled directly with hands. d) Solid chemicals can be transferred using hands.
Choose the action that may lead to an accident into laboratory.
a) Correct protective coating must be worn. b) Smell chemicals is forbidden. c) Taste or touch chemicals is allowed. d) Wash hands before and after an experiment.
Choose the rule that must be followed, so that safety is ensured.
a) Eat food or drink beverages in laboratory. b) No protective coating must be worn. c) Work areas should be kept clean and tidy at all times. d) Horseplay in laboratory.
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