Multiple-choice questions on Chemistry (Introduction to Chemistry)

In this article, you will learn the basic of the Chemistry. There are some multiple-choice questions and a quiz. This is for students of class Six. In the end, there will be a quiz to test you. The Multiple-choice questions on Chemistry (Introduction to Chemistry) will help you a lot in your upcoming examinations.

MCQ Questions on Chemistry

These MCQ Questions are only for class Six. At first, you try answering the questions. Then scroll down to see the answers. Match your answers with the given answers and then let me know how many questions you have answered correctly by writing in the comment box.

Let’s start with the MCQ Questions:

• The book ‘Rasaratnakara’ is written by:

1. Einstein
2. Nagarjuna
3. Arybhatta
4. Barahamihir

• Joseph Priestley discovered oxygen while performing the activity of:

1. Burning a candle
2. Superheating water
3. Heating nitrogen oxide
4. Heating mercuric oxide

• Who discovered the role of oxygen in combustion?

1. John Dalton
2. Ernest Rutherford
3. Antoine Lavoisier
4. None of these

• Who discovered the elements of the periodic table?

1. Dmitri Mendeleev
2. J.J.Thomson
3. Niels Bohr
4. John Dalton

• Find the odd one out and write the reason:

1. Radium
2. Polonium
3. Mercurous Nitrite

• Who established India’s first pharmaceutical company and what is the name of that company?

1. C.V.Raman, The Saha Institute
2. Acharya Jagadish Chandra Bose, The Bose Institute
3. Nagarjuna, the Indian Chemical
4. Acharya Prafulla Chandra Roy, The Bengal Chemical

• Who discovered the law of partial pressure?

1. John Dalton
2. J.J.Thomson
3. Marie Curie
4. Rosalind Franklin

• What is the contribution of Linus Carl Pauling to Chemistry?

1. Discovered oxygen
2. Discovered the modern atomic theory
3. Discovered the role of oxygen in combustion
4. Discovered the nature of chemical bonds linking atoms into molecules

• Find the odd one out:

1. Sodium Metabisulphite
2. Salicylic Acid
3. Benzene Hexachloride(BHC)
4. Propionic Acid

• Which type of food is preserved by Sodium benzoate?

1. Fruit products
2. Raw fish
3. Dairy products
4. Raw meat

• Find the odd one out:

1. Parathion
2. Calcium polysulphide
3. Ethylene oxide
4. Sulfur

• The function of fertilizer is:

1. To kill the insects that affect the growth of the plants
2. To prevent crops from being affected by fungi
3. To kill pests that affect the crop production
4. To provide nutrients that increase the crops production

• Find the odd one out:

1. Magnesium
2. Silicon
3. Hydrogen
4. Waxes

• Which of the following medicine is used to kill bacterias?

1. Paracetamol
2. Penicillin
3. Aspirin
4. None of the above

• Which of the following medicine is used to reduce fever?

1. Paracetamol
2. Penicillin
3. Aspirin
4. (1) and (3)

• Alchemists found the ‘philosopher’s stones’ that is considered as:

1. Mythical and magical substance
2. Chemical substance
3. Magnetic objects that attracts stones
4. None of these

• Which metal was treated as purest form of matter in the middle ages?

1. Diamond
2. Gold
3. Silver
4. Copper

• Manufacturing of clothes involve:

1. Fabrics into fibres
2. Nylon into terylene
3. Fibres into fabrics
4. Terylene into nylon

• Find the odd one out:

1. Nylon
2. Terylene
3. Synthetic fibers
4. silk

• Find the odd one out:

1. DDT
2. RDX
3. Gunpowder
4. TNT

Answers

1. 2
2. 4
3. 3
4. 1
5. 3; Radium and Polonium both are radioactive material, Mercurous Nitrite is non-radioactive;
6. 4
7. 1
8. 4
9. 3;all are food preservatives except BHC, BHC is an insecticide;
10. 1
11. 1; Parathion is a pesticide whereas rests are the fungicides;
12. 4
13. 4; Waxes are the component of Lipsticks whereas rests are the components of the mineral-talc;
14. 2
15. 4
16. 1
17. 2
18. 3
19. 4;nylon and terylene are the synthetic fibers whereas silk is the natural fiber;
20. 1;DDT is an insecticide whereas others are the weapons.

Objective Type Questions on Introduction to Chemistry

• Name the chemical that remain in the cake that you eat?

Ans: Sodium Bicarbonate i.e the Baking Soda

• What is sublimation?

Ans: Sublimation is a process in which a solid turns into a gas without moving to the phase of liquid.

• What is distillation?

Ans: Distillation is a process in which a gaseous     substance turns into a liquid phase with the help of Condenser.

• Why Distilled water is not good for health?

Ans: Distilled water is demineralized in nature that means it does not contain any minerals which is not good for health.

•  Name the minerals that should be present in your drinking water?

Ans: Zinc, Sodium, Potassium, Magnesium, Iron, Calcium and Bicarbonate.

• Define Alchemy.

Ans: In middle ages, a philosophical and spiritual field of study was named as Alchemy. It integrates the Chemistry with Metalwork. Thus, it was the experimental study of the transformation of ordinary metals into silver or gold.

• What is the difference between Chemists and Alchemists?

Ans: Chemists are the people who practiced Chemistry. Alchemists were the early chemists. They were the people in the Middle Ages.

• Why Gold was considered as perfect metals in the middle ages?

Ans: In the middle ages, medical science was not improved. People in this ages believed that Gold was the perfect metal. Hence gold was considered as a perfect metal.

• Name some food preservatives.

Ans: sodium metabisulphite, salicyclic acid, benzoic acid, and propionic acid.

• Why should we use food preservatives?

Ans: When we should store the foods for a longer period, we should use preservatives as it stops the growth of the bacteria and thus it will prevent the food from being spoiled.

• How salt, sugar and vinegar preserve food items?

Ans: These preservatives help the food in reducing water activities and this in turn reduces the chances of growing of micro-organisms.

• What are the functions of Fertilizers?

Ans: Fertilizers are the chemicals that supply the nutrients to the crops. It helps in their proper growth.

• Name some fertilizers.

Ans:  Urea, sodium nitrate, potassium, ammonium phosphate.

• Name some pesticides.

Ans: Aldrin, malathion, and parathion.

• Name some insecticides.

Ans: Benzene hexachloride (BHC), Dichlorodiphenyltrichloroethane(DDT),Carbaryl

• Name some fungicides.

Ans: Sulpher, calcium, polysulphide, and ethylene oxide.

• What is food processing?

Ans: The transformation process of raw materials into a food product is known as food processing. Cheese, jam, jelly, chips, butter, yoghurt are the processed foods.

• What are the Emollients?

Ans: Emollients are the mixtures that comprises of oils, waxes, pigments, colours, skin softeners. Lipstickes are made from emollients.

• What is talc?

Ans: Talc is a mineral that comprises of magnesium, silicon, oxygen, hydrogen.

• How clothing is related with Chemistry?

Ans: Manufacturing of clothes require the transformations of fibres into fabrics. Chemistry is involved in both the natural and synthetic fibres.

• Name some natural fibres and synthetic fibres.

Ans: Natural fibres are cotton, wool, jute, silk.

Synthetic fibres are nylon, terylene.

• What are the differences between the natural fibres and the synthetic fibres?

Ans: Synthetic fibres are stronger compared to natural fibres. They are wrinkle-resistant and they dry quickly.

• Name some petrochemicals:

Ans: Petrol, kerosene, paints and varnishes, diesel, LPG, wax, paraffin.

• Name some building materials:

Ans: Brick, cement, steel, mortar, sand.

• What are the harmful effects that are caused due to the development of chemistry?

Ans: It causes air pollution, soil pollution, water pollution; misuse of nuclear weapons can bring a massive destruction of human lives; depletion of resources such as coal, petroleum, minerals, etc; intake of drugs disturb the hormonal cycle and may cause different types of mental and physical problems.

 Quiz on Introduction to Chemistry

Hello students! Now it is time for solving the quiz. So, let’s start the quiz:

Conclusion

The multiple-choice questions on Chemistry mentioned here are the basic questions from the chapter- “Introduction to Chemistry” which will help the students of class six.

Students may consider the quiz as a test of 10 marks. After completion of the quiz, they can check the answers by themselves and can come to know how much they are prepared.

I hope that you all have liked the “Multiple-choice questions on Chemistry”. Good luck to all of you! If you face any problem in this article, please let me know by writing in the comment box. Thank you all!