Mashaal Masha
Mashaal Masha
 Nov 08, 2022
0
Choose the correct options for the following questions.
Fossil fuel consist of:
Difficulty: Easy
A:
Coal
B:
Natural gas
C:
Petroleum
D:
All of these
Geological survey of Pakistan estimates about billion tons of coal in Pakistan:
Difficulty: Easy
A:
182
B:
183
C:
184
D:
185
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Major component of natural gas is:
Difficulty: Easy
A:
Ethane
B:
Ethene
C:
Propane
D:
Methane
At present oil refineries in Pakistan are:
Difficulty: Easy
A:
One
B:
Two
C:
Three
D:
Four
Cracking products are:
Difficulty: Hard
A:
Only alkanes
B:
Only alkenes
C:
Alkanes and alkenes
D:
Alkynes
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Types of cracking are:
Difficulty: Easy
A:
Thermal
B:
Catalytic
C:
Steam
D:
All
Tetraethyl lead causes diseases:
Difficulty: Easy
A:
Typhoid
B:
Respirartory
C:
Stomach
D:
Muscular
The general formula of saturated alicyclic hydrocarbons is:
Difficulty: Easy
A:
$C_{n}H_{n}$
B:
$C_{n}H_{2n}$
C:
$C_{n}H_{2n+2}$
D:
$C_{n}H_{2n-1}$
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Diversity of organic compounds in millions is:
Difficulty: Easy
A:
Four
B:
Five
C:
Six
D:
Seven
General formula of carboxylic acids is:
Difficulty: Easy
A:
RCOH
B:
RCOR
C:
RCOOR
D:
R-OH

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