WorksheetsIntro to chemistry
Total questions: 15
Worksheet time: 8mins
Artificial _____ have helped farmers to grow more food
metals
fertilizers
cement
Petroleum is mined from underground _________
metals
reservoirs
pipette
________ is a very essential in the building industry.
cement
rod
pipette
Paints protect _______ from corrosion
cement
metals
pestle
A boiling tube is also called a __________ glass test tube.
soft
hard
round
Solid substances are ground with the help of a _________ in a mortar.
rod
pestle
pipe
A _________ is used to measure a fixed quantity of a liquid.
pipe
pipette
rod
A ________ bottomed flask is used for heating liquids.
square
round
hard
A glass _________ is used for stirring liquids.
rod
pipe
pestle
A __________ makes electrical circuits in radios, televisions etc.
dioxide
diode
doter
Chemistry is a branch of science which deals with:
study of plants
production of better seeds
mineral protecting
study of composition of substances
An apparatus used to spread heat evenly under a glass apparatus is:
tripod stand
iron stand
wire gauze
Bunsen burner
An apparatus used for measuring a small and fixed volume of a liquid is:
Burette
pipette
measuring cylinder
conical flask
It os used in modern chemistry laboratories in place of spirit lamp for heating purposes:
tripod stand
Bunsen burner
Glass tubing
Burette
LPG stands for:
liquefied petroleum gas
last pink grape
liquid post gas
little pressurized gas
