NDA || Chemistry || Carbon and its atom || Quiz 2020
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Question 1
How is carbon black obtained?
Question 2
Which one of the following is the purest form of carbon/
Question 3
The poisonous nature of Carbon monoxide (CO) is due to its
Question 4
Choose the correct balanced chemical equations for the following reaction:
Ethane reacts with oxygen to produce carbon dioxide and water with the evolution of heat and light.
Question 5
Carbon-14, Cobalt-60, Arsenic-74, Iodine-131 and Uranium-235 are:
Question 6
Direction: The following 05 (five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answer to these items using the code given below:
Statement I : Petroleum is a mixture of many different hydrocarbons of different densities.
Statement II : The grade of petroleum depends mainly on the relative proportion of the different hydrocarbons.
Question 7
Direction: The following 05 (five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answer to these items using the code given below:
Statement I : There is high salinity in the Red Sea.
Statement II : Rate of evaporation is high in the Red Sea.
Question 8
Direction: The following 05 (five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answer to these items using the code given below:
Statement I : Volcanic eruption is accompanied by earthquakes.
Statement II : Volcanoes erupt water vapours and dust particles in the atmosphere.
Question 9
Direction: The following 05 (five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answer to these items using the code given below:
Statement I : Plantation farming has mostly been practised in humid tropics.
Statement II : The soil of humid tropics is highly fertile.
Question 10
Direction: The following 05 (five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answer to these items using the code given below:
Statement I : India has wide variation in population density.
Statement II : Factors like agricultural productivity and history of settlements have greatly influenced the population density pattern in India.
