The variety of coal in which the deposit contains recognizable traces of the original plant material is____________?

A. bitumen
B. anthracite
C. lignite
D. peat

Submitted by: WIQAR AHMAD

Which variety of glass is heat resistant?
A. Bottle glass B. Flint glass C. Hard glass D. Pyrex glass Submitted by: ABDUL HAYEE...
Coke is made by heating coal in the absence of air at__________?
A. 700 °C B. 900 °C C. 1300 °C D. 1700 °C Submitted by: Ashfaque Ali Khoso...
The major part of natural gas, petroleum and coal consists of?
A. Carbon B. Chlorine C. CFC D. Methane Submitted by: Ashfaque Ali Khoso...
__________ gas is released when coal is burnes in ln lack of Oxygen?
A. Carbon Dioxide B. Methane C. Ethene D. Carbon Monoxide Submitted by: Rizwan Ahmed Panhwar...
Which of the following type of Coal, has maximum carbon content?
A. Peat B. Lignite C. Anthracite D. Bituminious Submitted by: Malik Asghar Hussain...
The term “white coal” sometimes referred to which of the following?
A. Geothermal Electricity B. Wind Energy C. Hydroelectricity D. Biomass Energy Submitted by: Malik Asghar Hussain...
The term ‘white coal’ is sometimes referred to which of the following?
A. Geothermal energy B. Wind energy C. Hydroelectricity D. Biomass energy Submitted by: Sajjad Hussain Abro...
Rectified spirit contains alcohol about ?
A. 80% B. 95% C. 70% D. 85%...
Chlorophyll contains _____metal.
A. Iron B. Calcium C. Magnesium D. Potassium Submitted by: Aamir khan Hullio...
__________ contains the ozone layer.
A. Troposphere B. Stratosphere C. Mesosphere D. Ionosphere Submitted by: Muhammad Abdullah...