Tag: petroleum and natural gas

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Questions Related to petroleum and natural gas

Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

Ethyl bromide reacts with sodium lead alloy to form?

  1. Tetraethyl lead

  2. Ethyl sodium

  3. Ethane

  4. Wthene
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When we treat ethyl bromide with lead sodium alloy we get tetra ethyl lead [TEL]


$4NaPb+4CH _3CH _2Br\longrightarrow \overset {\uparrow Tetraethyllead}{(CH _3CH _2) _4Pb}+4NaCl+3Pb$

TEL is used to increase their efficiency and performance.

Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

Identify the chemical which is used to detect leakage of LPG ;

  1. Methyl mercaptan

  2. Propyl mercaptan

  3. Ethyl mercaptan

  4. n-butyl mercaptan
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ethyl mercaptan is added to gas, which possesses that strong odour of rotten cabbages. The smell helps us detect where there is a leak, which actually makes a lot of sense from safety and security perspective.

Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

Coal and petroleum are called fossil fuels.

State whether the statement is True or False

  1. The statement is True

  2. The statement is False

  3. Neither

  4. Coal and petroleum are called natural fuels.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coal and petroleum are called fossil fuels. They serve as source of energy as on combustion, they release heat energy.