Topic - Chemistry Laboratory
In these Worksheets for Science you will find different questions related to the topic Chemistry Laboratory that will help you to practice the topic more efficiently.
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| Worksheets for Science (Topic -Chemistry Laboratory) |
Multiple Choice Questions
1.These are food preservatives. _________________.
(a) sodium benzoate (b) sodium chloride (c) both a and b
2.______________ major components of food consist of complex chemicals.
(a) All (b) Some (c) None
3.These are man-made fibers.___________
(a) rayon (b) terylene (c) both a and b
4.Test tube is _________________ in shape .
(a) circular (b) cylindrical (c) oval
5.A ________________ used in laboratory has a beak like mouth.
(a) beaker (b) flask (c) test tube
6.__________________ flask is cone-shaped.
(a) flat bottom (b) conical (c) round bottom
7.___________________ flask is not used for heating.
(a) flat-bottom (b) round-bottom (c) conical
8.Funnel is used in the process of __________________.
(a) sedimentation (b) decantation (c) filtration
9._________________ helps in pouring liquids in containers with a narrow mouth.
(a) narrow (b) broad (c) very wide
10.A tripod stand has ________________ legs.
(a) two (b) four (c) three
Answers - 1.both a and b 2.All 3.both a and b 4.cylinderical 5.beaker 6.conical 7.flat-bottom 8.filtration 9.funnel 10.three
Fill ups
1.Vinegar is used in jams, pickles etc as a food _______________.
2.Chemistry has provided ______________,
pesticides, ________________ and fungicides to farmers.
3.Talcum powder consists of ___________.
4._______________ and _______________ help in maintaining good sanitary conditions.
5.______________, mosquito repellents and _______________ protect us from infection.
6.Chemistry _________________ is a place where different experiments are performed using chemicals.
7.A glass tube used for heating liquids is known as __________________.
8.___________________ is used for measuring liquids.
9.___________________ is used to heat evaporating liquids.
10.__________________ is kept on the tripod stand and helps in heating the apparatus evenly.
Answers - 1.preservative 2.fertilizers, insecticides 3.hydrated magnesium silicate 4.detergents, disinfectants 5.sanitizers, antiseptics 6.laboratory 7.test tube 8.measuring cylinder 9.china dish 10.True
Write True if the statement is correct and False if the statement is incorrect.
1.Chemistry doesn't have any applications in everyday life.
2.Chemistry plays a great role in food processing.
3.Chemistry has provided a large number of cosmetic products.
4.Chemistry plays a great role in cloth industry.
5.The harvest of cotton balls is not at all processed.
6.Soaps, shampoos, bathing gels etc don't consist of any chemicals.
7.Chemistry has played a great role in the great role in the growth and development of industries.
8.A beaker can't be used for heating.
9.Funnel is available in different sizes.
10.A wire gauze is triangular in shape.
Answers - 1.False 2.True 3.True 4.True 5.False 6.False 7.True 8.False 9.True 10.False
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