Chemistry Part 2 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Chemistry. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Consider the following statements:
1. Baking soda normally is used in fire extinguishers.
2. Gypsum is typically used in manufacturing of plaster of paris.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 2 - Consider the following statements:
1. Gobar gas largely contains CH4, CO, and H2.
2. Natural gas largely contains methane (about 85%) and some ethane, propane, etc.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Gobar gas is produced through fermentation of gobar (cow dung) in absence of air.
Q 3 - Consider the following statements:
1. Compounds are the pure substances those are composed of two or more different elements in fixed proportion by mass.
2. The properties of a compound are completely different from those of the elements from which it is made.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Examples of compound are Salt, Sugar, Water etc.
Q 4 - The process that involves removal of electrons is known as …
Answer : B
Explanation
The process increases the oxidation number.
Answer : A
Explanation
N/A
Q 6 - In a reaction of sugar and sulphuric acid, …………… is obtained in the pure form.
Answer : A
Explanation
N/A
Q 7 - Consider the following statements:
1. Antigen is a substance that stimulates the formation of antibodies.
2. Antimony is crystalline and brittle metal.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 8 - What is chemical name of Glauber’s salt?
Answer : B
Explanation
N/A
Q 9 - When cream is separated from the milk, then its density …
Answer : A
Explanation
N/A
Q 10 - Chloroform in presence of sunlight forms poisonous gas known as …
Answer : A
Explanation
The chemical formula of Phosgene is COCl2.
Answer : B
Explanation
Atomic number of Astatine is 85.
Q 12 - Wood furniture are coated with ………… to protect it from termites.
Answer : C
Explanation
The chemical formula of zinc chloride is ZnCl2.
Q 13 - Consider the following statements:
1. Cellulose is the main structure material of plants.
2. Starch is a reserve carbohydrate of many plants.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Answer : C
Explanation
Atomic number of Molybdenum is 42.
Q 15 - Consider the following statements:
1. Uranium is a radio-active element.
2. Uranium is used in making atom bomb.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Answer : A
Explanation
Caustic potash consists of potassium, hydrogen, and oxygen.
Q 17 - Which among the following is used as a fluctuant in water and sewage treatment?
Answer : B
Explanation
The chemical formula of Calcium hydroxide is [Ca(OH)2].
Answer : D
Explanation
Atomic number of Gadolinium is 64.
Answer : D
Explanation
Atomic number of Holmium is 67.
Q 20 - Which among the following is used in manufacturing of Vanaspati ghee, alcohol, etc?
Answer : B
Explanation
N/A
