Carbon Compound and Petroleum Worksheet-2

Carbon Compound and Petroleum Worksheet-2

1. 2CaO + C →  CaC₂ + 2CO

2CaC₂ + 2H₂O → (A) + (B)

If (A) is involved in the neutralization reaction with acid, then (B) may be

(a) C₂H₂             (b) CH₄              (c) Ca(OH)₂      (d) CaH₂

2. When an excess amount of CO₂ is passed through lime water, it first turns milky and then the milkiness disappears due to the formation of

(a) CaCO₃ which is soluble in H₂O

(b) CaCO₃ which is insoluble in H₂O

(c) CaHCO₃ which is soluble in H₂O

(d) CaHCO₃ which is insoluble in H₂O

3. Petrol, diesel and oil are examples of _____ sources of energy while biogas, wind and sun are ____ sources of energy.

(a) Non-renewable, renewable

(b) Renewable, non-renewable

(c) Renewable, renewable

(d) Non-renewable, exhaustible

4. CNG is the alternative fuel used by the Public Transport System in different cities in India. Natural gas occurs:

(a) above the petroleum oil

(b) below the petroleum oil

(c) along with the petroleum oil

(d) In the environment

5. The Gulf War in 1991 was for the Control of Oilfields in the Kuwait region. Petroleum is commonly known as:

(a) Black gold                                (b) Yellow gold

(c) Green gold                               (d) Blue gold

6. Entire World facing a problem of ‘Limited Energy Resources’, India is one of them. Now a days in India the most common sources of energy are:

(a) wood and coal                         (b) LPG and cow dung

(c) petroleum and coal                (d) natural gas and coal

7. Crude Oil is a black oily liquid found underground in porous rocks. When an oil well is drilled through rocks _______ comes out first.

(a) Coal gas                                    (b) Marsh gas

(c) Natural gas                              (d) Gas carbon

8. Coal India Ltd. Found following four carbon forms in a project for extraction of Carbon. Which of the following forms has the highest percentage of carbon?

(a) Anthracite                                (b) Bituminous

(c) Peat                                           (d) Lignite

9. Reliance Petrochemical found a new resource of Natural Gas in Karnataka state. Natural Gas is mainly consist of:

(a) C₄H₁₀            (b) C₃H₈             (c) C₂H₆             (d) CH₄

10. Indian Oil is country’s main Oil and LPG Gas provider in India. To fill the LPG cylinders which of the following processes is used to liquefy the Gas in the Cylinder:

(a) increasing volume                 (b) applying pressure

(c) increasing temperature        (d) replacing pressure

11. The dead animal and plant are buried in the absence of air. After a long time when a man dogged that place found a gas, named

(a) gas carbon                               (b) coal gas

(c) Biogas                                       (d) marsh gas

12. In an accident a Car catches fire suddenly, the  driver pours sand over the car, the fire goes off. It is because:

(a) the ignition temperature is brought down by sand

(b) supply of air is cut off

(c) sand is a bad conductor of heat

(d) all of these

13. Air is considered to be a heterogeneous gaseous mixture

The pie chart above represents the composition of air in its definite proportions. Identify the gases W, X and Y.

(a) W-Nitrogen

       X-Rare gases

       Y-Oxygen

(b) W-Carbon

       X-Oxygen

       Y-Rare gases

(c) W-Nitrogen

       X-Oxygen

       Y-Rare gases

(d) W-Rare gases

       X-Hydrogen

       Y-Oxygen

Answer Key:

(1)-(a); (2)-(c); (3)-(a); (4)-(a); (5)-(a); (6)-(c); (7)-(c); (8)-(a); (9)-(d); (10)-(b); (11)-(c); (12)-(b); (13)-(c)