Industrial Inorganic Chemistry–10th Science Learning Cards

Chapter-11

Industrial Inorganic Chemistry

Learning Card-1

Choose the correct answer:

1. Another name of flent glass is

a) Soda lime b) Potash lime c) Lead glass d) ore silicate glass

2. During manufacture of glass, which material is used to increase the fusibility?

a) Soda b) lime stone c) Sand d) cullets

3. Which type of glass is used to prepare lenses?

a) Lead glass b) ore silicate glass c) Soda lime glass d) Safety glass

Question and Answers

1. Write the raw materials used in manufacture of glass

a) Soda ash

b) Lime stone

c) Sand

d) Cullets

2. What is annealing?

The process of gradual cooling of glass articles to room temperature is called annealing.

3. What is glazing?

The process of manufacturing the clay product into non porous shining material is called glazing.

4. Name the raw materials used in preparation of ceramics.

Clay like kaolinite and bentonite

- Flint

- White clay

- Quart

- Feldspar

5. White any two uses of ceramics.

Ceramic insulators soon become an essential port of electrical gadgetry.

- Ceramic balls can be used to replace steel in ball bearings.

- Spare parts of gas turbine engines

- Dental implants and synthetic bones.

6. Name the types of paper

1) Filter paper

2) Tissue paper

3) Wax paper

4) Card board paper

7. Write two limitations of paper.

1) Unlike plastic, they are perfectly non porous.

2) Their tensile, strength, radically reduces on wetting.

Chapter-11

Industrial Inorganic Chemistry

Learning Card-2

Choose the correct answer:

1. Glass will crack if it is suddenly heated or cooled because of its.

a) Bad conducting nature high co-efficient of expansion.

b) Transparency c) Elasticity d) density

2. The word ceramics means :

a) Moist soil b) Brick c) Pot d) Burnt earth

3. A major component of paper is

a) Pectin b) Lignin c) Cellulose d) Hemi cellulose

Question and Answers

1. Which type of glass is used to make optical instruments?

Lead glass

2. What is the chemical name of soda ash?

Sodium carbonate [Na₂CO₃]

3. Write one similar character between glass and ceramics.

They are chemically resistant.

4. Write any two uses of ceramics.

- Electrical gadgets

- Spare parts for gas turbines

- Dental implants and synthetic bones.

5. Name the paper used in the following

a) Dip tea Bag

b) Facial napkins

c) Food wrapping

d) Post card.

a) Filter paper

b) Tissue paper

c) Wax paper

d) Card board paper

6. How borosilicate glass prepared? Write its uses?

Borosilicate glass is prepared by Adding born with a small amount of alumina and less alkaline oxides. It is used in superior laboratory apparatus

7. Mention the steps involved in the manufacture of paper.

Manufacture of paper

1) Pulping

2) Mixing additives

3) Drying

4) Finishing

Chapter-11

Industrial Inorganic Chemistry

Learning Card-3

Choose the correct answer:

1. The glass made by sandwiching then layer of synthetic vinyl plastic.

a) Flint glass b) safety glass c) Lead glass d) soda glass

2. leumics are used in electrical gadgetry because.

a) Bad conductor of electricity b) Good conductor of electricity

c) Semiconductor of electricity d) All the above

3. CaCO₃ + SiO₂ -----> ___________

a) CaO + SiO₃ b) CaSiO₃ + SiO₂

c) CaSiO₃+ CaO d) CaSiO₃ + CO₂

Question and Answers

1. What is Ceramics?

Materials prepared out of specific mud are called ceramics.

2. What is the chemical composition of ordinary glass?

Soda ash, Limestone and sand.

3. Paper absorbs water and oil. Why?

Because it is porous in nature.

4. Write two merits of optical fibers?

- It never corrodes.

- Can transmit more message at once.

5. Why the newspaper turns yellow with age? Why paper is considered ecofriendly?

In the presence of light and oxygen lignin reacts to give yellow material that is why paper yellows with age because paper is biodegradable.

6. Write any three properties of glass.

Properties of glass

- Chemically resistant shirring

- Can be coloured

- Molded into different shapes

- Transport

7. Write one use of the following glass :

a) Soda glass

b) Bohimaian glass

c) Flint glass

d) Borosilicate glass

e) Safety glass.

1) Electric bulls, jars preparation

2) Lenses, neon sigh tubing’s

3) Laboratory apparatus

4) In automobile and aero plane as wind shield.

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