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Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - UPSC MCQ


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10 Questions MCQ Test Science & Technology for UPSC CSE - Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds

Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds for UPSC 2024 is part of Science & Technology for UPSC CSE preparation. The Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds questions and answers have been prepared according to the UPSC exam syllabus.The Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds below.
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Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 1

What is the characteristic of a good propellant?

Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 1
A good propellant should produce a large volume of gases for each gram of fuel burnt, as this provides the thrust necessary for propulsion in rockets.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 2

What is the primary component of natural gas?

Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 2
The primary component of natural gas is methane, which can be directly used as a fuel and is a valuable raw material for various industries.
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Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 3

What is the calorific value of hydrogen?

Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 3
The calorific value of hydrogen is 150 kJ/g, indicating that it produces a high amount of heat energy when burned.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 4
What is the purpose of galvanization in preventing rusting of iron?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 4
Galvanization involves coating iron with a layer of zinc, which acts as a protective barrier, preventing the iron from rusting.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 5
Which type of fuel is produced by the decomposition of higher hydrocarbon molecules into lower hydrocarbons?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 5
Gaseous fuel is produced by the process of cracking, which involves the decomposition of higher hydrocarbon molecules into lower hydrocarbons.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 6
What is the primary constituent of liquid petroleum gas (LPG)?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 6
The primary constituent of LPG is butane, which is supplied in cylinders under high pressure as a fuel.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 7
Which process involves the conversion of coal into coke in the absence of air?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 7
The process of converting coal into coke in the absence of air is known as carbonization.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 8
What is the name given to substances that have intermediate properties between metals and non-metals?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 8
Substances that have intermediate properties between metals and non-metals are called metalloids.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 9
What is the primary component of natural gas used as a fuel?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 9
The primary component of natural gas used as a fuel is methane, which is a clean-burning hydrocarbon gas.
Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 10
What is the kindling temperature of yellow phosphorus?
Detailed Solution for Test: Food Additives, Chemicals in Medicines, Chemotherapy, Antipyretics, Elements, Compounds - Question 10
The kindling temperature of yellow phosphorus is 35°C, which means it catches fire easily at this temperature.
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