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WorksheetsG7_Chem_test1_1
Total questions: 25
Worksheet time: 2hrs 5mins
Which of the following pieces of chemistry lab equipment is a cylindrical glass apparatus and is used for storing, mixing and heating liquids?
conical flask
beaker
measuring cylinder
pipette
What is a mortar and pestle used for?
heating chemicals
crushing and grinding solids into a powder
scooping up solids such as powder
measuring volume
What is the temperature reading shown on the thermometer?
206
227
203
201.5
What is used to measure a small volume of liquids accurately?
dropper
burette
beaker
conical flask
What should you do if a glass breakage occurs?
Leave it where it is without telling anyone.
Clean up the mess made from the broken equipment.
Tell your teacher immediately about the problem.
Tell your teacher immediately about the problem.
Which piece of apparatus is most likely to be used by a gold merchant?
top-pan balance
stop clock
thermometer
measuring cylinder
Determine the name of the following piece of lab equipment
filter paper
filter funnel
wire gauze
weigh boat
What lab equipment is used to manually stir solutions?
thermometer
tongs
stirring rod
spatula
What lab equipment is used to provide heat for experimentation?
test-tube rack
mortar and pestle
wire gauze
Bunsen burner
Eye protection devices are worn in the chemistry laboratory_______________.
to avoid eye strain
to improve your vision
only if you don’t have corrective glasses
any time chemicals, heat and glassware are used
For accurately transferring liquids into glassware and also used in the process of filtration
separating funnel
filter funnel
conical flask
round bottom flask
An apparatus used for holding test tubes upright for hands-free observation or for storing test tubes
tongs
test tube stand/rack
stirring rod
test tube holder
Equipment used for transferring small amounts of solid chemicals
spatula
pipette
stirring rod
burette
An instrument used for measuring the large volume of liquids
measuring cylinder
thermometer
microscope
stop watch
What things do you need to wear before beginning any experiment inthe laboratory?
lab coat
safety goggles
gloves
All the above
What should you NEVER do in the laboratory?
Point a test tube that is being heated towards you and others.
Taste to check the flavor of the chemicals.
Use cracked or broken apparatus.
All of these.
The sign below indicates what type of safety hazard?
dangerous to the environment
toxic
explosive
inflammable
What does this safety symbol mean?
*
Harmless to trees and fish
Harmful to non - living things
Harmful to living things
Harmless to non - living things
This symbol commonly is found in chemistry labs and on trucks carrying hazardous materials. What does it mean?
*
Substances that can catch fire easily in presence of air.
Substances that can lead to death when consumed or inhaled.
Substances that can cause redness and inflammation of the skin
Substances that can cause moderate risk to health.
When reading the volume of water in a measuring cylinder, youshould always ______________.
look at the water level above the meniscus
look at the bottom of the meniscus
insert a ruler into the water
estimate the water level
What is the volume of the liquid in this graduated cylinder?
15 ml
5 ml
14 ml
16 ml
Which piece of apparatus is essential to measure the speed of a reaction?
balance
stopwatch
thermometer
dropper
DANGER - chemist at work!!!! Which word matches the followinghazard warning description ... 'attacks and destroys living tissue'?
harmful
toxic
corrosive
irritant
When the air hole is half open in a Bunsen burner, it gives_____________________flame.
yellow
roaring
green
blue
Long hair in the laboratory must be __________________________.
cut short
held away from the experiment with one hand
tied back or kept entirely out of the way with a hair band
neatly combed
