Chemistry in Everyday Life

Q.

What is science?

Q.

Which of the following is most suitable for summer?

1. Cotton

2. Nylon

3. Polyester

4. Silk

Q.

What is difference between alchemy and chemistry

Q.

The branch of science that deals with the study of properties and composition of substances is _______.

Q.

_________ is a branch of science that deals with study of non-living objects.

1. Life science
2. Physical science
3. Social science

Q.

How does chemistry play a significant role in the development of cosmetics?

Q. is a branch of science that deals with composition and properties of materials.

1. Physics
2. Biology
3. Chemistry

Q.

Why is Chemistry important to society?

Q.

Define cosmetics.

Q. Which of the following is not a branch of science?

1. Physics
2. Chemistry
3. Biology
4. Mathematics

Q.

What are the ingredients of cosmetics?

Q. Identify the correct statement from following?

1. Takli is used for weaving.
2. Takli is used for knitting.
3. Takli is used for spinning.
4. Takli is used for making fabric from yarn.

Q.

what is called chemistry?

Q. If the study of universe belongs to physics, then the study of ______ belongs to chemistry.

1. animals behaviour
2. ancient buildings
3. human behaviour
4. composition of substances

Q. Consider the following statements.
Statement 1: Knitting is the process which converts one single yarn to fabric by forming a series of loops.

Statement 2: Weaving is the process which arrange two or more set of yarn together to make a fabric.

1. Both statements are true.
2. Both statements are false.
3. Only statement 1 is true.
4. Only statement 2 is true.

Q.

The branch of science that deals with the study of laws governing the various phenomena of the universe is called ___________

Q.

Explain how the cosmetic industry is dependent on chemistry.

Q. Which of the following is used as an absorbent in hospital?

1. Cotton
2. Silk
3. Wool
4. Nylon

Q.

Which of the following substances should be added to the soil for plant growth?

1. Sugar
2. Oxygen
3. Fertilizers
4. Consumers

Q.

19. Describe the soil, water requirements and climate conditions that are required for the cultivation of the cotton plant.

Q.

Hydrogen is used in the manufacturing of ____ which is used to prepare fertilizers.

Q. Which of the following is used to make shawl that can be used in winter?

1. Silk
2. Wool
3. Cotton
4. Jute

Q. Identify the weft thread from the following image.

1. 
2. 
3. 

Q. Match column I with column II and select the correct option from the codes given.

	Column I		Column II
(i)	Ginning	(a)	Thin strand of thread
(ii)	Spinning	(b)	Making yarns from fibres
(iii)	Fibre	(c)	Making fabric from yarns
(iv)	Knitting	(d)	Polyester, nylon and acrylic
(v)	Synthetic fibres	(e)	Separating fibres from seed

1. (i)-(e); (ii)-(b); (iii)-(a); (iv)-(c); (v)-d
2. (i)-(d), (ii)-(e), (iii)-b; (iv)-(a); (v)-(c)
3. (i)-(e); (ii)-(a); (iii)-(b); (iv)-(c); (v)-(d)
4. (i)-(d); (ii)-(a); (iii)-(b); (iv)-(c); (v)-(e)

Q. _____ is a combination of two or more different kinds of substances.

1. 
2. 
3. 
4. 

Q. Chemistry refers to the study of ________.

1. interaction between energy and objects
2. living things
3. composition and properties of the substances
4. transformation of the substances

Q. Which among the following is an animal fibre?

1. Wool
2. Coir
3. Cotton
4. Jute

Q. Which of following is a natural indicator?

1. Methyl orange
2. Turmeric
3. Phenolphthalein
4. Litmus paper

Q. Identify me from the given options.
"I am not a natural fibre."

1. Wool
2. Silk
3. Jute
4. Nylon

Q.

Write one similarity and one difference between physics and chemistry.