question_answer1) Which of the following statements are correct?
(I) Coal, petroleum and natural gas are called fossil fuels. |
(II) Coal and natural gas are exhaustible substances. |
(III) CNG is more polluting than petrol. |
(IV) Coke is used in the manufacture of steel. |
A) I and II only done clear
B) II and IV only done clear
C) I, III and IV only done clear
D) I, II and IV only done clear
View Solution play_arrowA) Natural gas, \[\text{CO+}{{\text{H}}_{2}}\] done clear
B) Producer gas, \[{{\text{N}}_{\text{2}}}\text{+CO}\] done clear
C) Water gas, \[{{\text{H}}_{\text{2}}}\text{+CO}\] done clear
D) None of these. done clear
View Solution play_arrowA) Crude oil, kerosene, naphtha and heavy oil done clear
B) Coke, coal gas, coal tar and ammonium compounds done clear
C) Coal gas, petroleum gas and lignite done clear
D) None of these. done clear
View Solution play_arrow(i) in fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first. |
(ii) Useful substances obtained from petroleum and natural gas are termed as 'Petrochemicals'. |
(iii) Coke is used in the extraction of many metals. |
(iv) Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal. |
A) (i) and (ii) done clear
B) (i) and (iv) done clear
C) (i), (ii) and (iii) done clear
D) (ii) and (iv) done clear
View Solution play_arrowA) Natural gas, oil and water done clear
B) Petroleum gas, oil and natural gas done clear
C) Natural gas, water and oil done clear
D) Petroleum gas, oil and water. done clear
View Solution play_arrowA)
(i) | (ii) | (iii) | (iv) |
Destructive distillation | Lignite | Anthracite | Bituminous coal |
B)
(i) | (ii) | (iii) | (iv) |
Carbonisation | Anthracite | Lignite | Bituminous coal |
C)
(i) | (ii) | (iii) | (iv) |
Carbonisation | Anthracite | Bituminous coal | Lignite |
D)
(i) | (ii) | (iii) | (iv) |
Destructive distillation | Bituminous coal | Anthracite | Lignite |
A) Condense to form a liquid done clear
B) Remain in gaseous state done clear
C) Condense to form a solid done clear
D) Escape from the column. done clear
View Solution play_arrowquestion_answer8) Select the incorrect statements among the following:
(i) Bitumen is used for metalling the roads. |
(ii) Some inexhaustible natural resources like coal, petroleum and natural gas formed from the dead remains of living organisms are known as fossil fuels. |
(iii) Many useful substances are obtained from coal (commercial importance), so it is also called as 'Black gold'. |
(iv) Natural gas is used as a starting material for the manufacture of a number of chemicals and fertilisers. |
A) (i) and (ii) only done clear
B) (ii) and (iii) only done clear
C) (ii) and (iv) only done clear
D) (i), (ii) and (iv) only done clear
View Solution play_arrowA) Paraffin wax > Diesel > Kerosene > Petrol done clear
B) Diesel > Kerosene > Petrol > Paraffin wax done clear
C) Kerosene > Petrol > Paraffin wax > Diesel done clear
D) Petrol > Paraffin wax > Diesel > Kerosene done clear
View Solution play_arrowA) Petroleum gas, lubricating oil, kerosene, gasoline. done clear
B) Kerosene, petroleum gas, lubricating oil, gasoline. done clear
C) Petroleum gas, gasoline, kerosene, lubricating oil. done clear
D) Gasoline, kerosene, petroleum gas, lubricating oil. done clear
View Solution play_arrowquestion_answer11) Coal tar can be used as a starting material for manufacturing
(i) Drugs |
(ii) Photographic materials |
(iii) Cookwares |
(iv) Explosives |
A) Only (i) done clear
B) (ii) and (iv) done clear
C) (i), (ii) and (iv) done clear
D) (ii), (iii) and (iv) done clear
View Solution play_arrowquestion_answer12) Read the following statements carefully.
X: It is a fossil fuel used in thermal power plants to produce electricity. |
Y: It is a porous, black and almost pure form of carbon. |
Z: It is a mixture of about 200 substances. X, Y and Z are respectively |
A) Petroleum, coal gas, coke done clear
B) Coal, coke, coal tar done clear
C) CNG, bitumen, diesel done clear
D) Coal gas, petrol, paraffin wax. done clear
View Solution play_arrowA) Resources which will either never run out or are replaced within a reasonable period of time ? Renewable resources. done clear
B) Wise and careful use of resources by not wasting them - Conservation. done clear
C) Conversion of wood into coal over million of years due to high temperature and pressure under the earth - Carbonisation. done clear
D) A black, viscous liquid extracted from the rocks which is a source of hydrocarbons - Coal tar. done clear
View Solution play_arrowquestion_answer14) Which of the following represents an incorrect match?
A) Coal gas - Methane + Hydrogen done clear
B) LPG - Propane + Butane done clear
C) Producer gas - Carbon + Nitrogen done clear
D) CNG - Compressed methane done clear
View Solution play_arrowquestion_answer15) Read the given statements and select the correct option.
Statement 1: Petrol condenses near the top of the fractionating column while diesel oil near the middle of the column. |
Statement 2: Petrol is more volatile than diesel oil. |
A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. done clear
B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. done clear
C) Statement 1 is true and statement 2 is false. done clear
D) Both statements 1 and 2 are false. done clear
View Solution play_arrowA)
X | Y | Z |
Coal gas | Coal tar | Coke |
B)
X | Y | Z |
Coal gas | Coke | Coal |
C)
X | Y | Z |
Coal gas | Coal tar | Impure coal |
D)
X | Y | Z |
Carbon dioxide | Coal tar | Coal |
Column I (Amorphous forms of carbon) | Column II (Uses) |
(P) Lamp black | (i) For making electrodes for dry cell. |
(Q) Bone Charcoal | (ii) In gas masks |
(R) Wood charcoal | (iii) In extraction of metals |
(S) gas carbon | (iv) To remove colour from sugarcane juice |
(T) Coke | (v) For making black shoe polish |
A)
P-(i) | Q-(v) | R-(iii) | S-(ii) | T-(iv) |
B)
P-(v) | Q-(iv) | R-(ii) | S-(iii) | T-(i) |
C)
P-(ii) | Q-(iii) | R-(iv) | S-(i) | T-(v) |
D)
P-(v) | Q-(iv) | R-(ii) | S-(i) | T-(iii) |
A) X can be condensed back to coal. done clear
B) Y and Z are useless products. done clear
C) Z starts burning when exposed to air. done clear
D) None of these done clear
View Solution play_arrowI. X is chiefly made up of methane. |
II. X is stored under low pressure. |
III. X is a clean, non-polluting fuel. |
A) I and III done clear
B) II and III done clear
C) I and II done clear
D) None of these done clear
View Solution play_arrowquestion_answer20) Fill in the blanks left in the classification of the fossil fuels.
A)
p | q | u | v | w | x |
Petroleum | Coal | Petroleum gas | Bitumen | Coal gas | Coke |
B)
p | q | u | v | w | x |
Coal | Petroleum | Coal gas | Coke | Petroleum gas | Bitumen |
C)
p | q | u | v | w | x |
Coal | Petroleum gas | Coal | Charcoal | Gasoline | Coal tar |
D)
p | q | u | v | w | x |
Petroleum | Coal | Gasoline | Bitumen | Natural gas | Coke |
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