Long Answer Questions on Introduction to Chemistry Class 6 Concise Chemistry ICSE Solutions Ch-1. In this article you would learn how to solve Long Answer Questions on Introduction to Chemistry with hint and reason . Visit official Website  CISCE  for detail information about ICSE Board Class-6.

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Long Answer Questions on Introduction to Chemistry Class 6 Concise Chemistry ICSE Solutions

                                      Long Answer Questions on Introduction to Chemistry

Que-1: Name the chemicals which help in increasing food production.

Ans- The chemicals that help in increasing food production are mainly:

(i)Fertilizers – such as urea, ammonium nitrate, and superphosphate, which provide essential nutrients to plants.

(ii)Pesticides – chemicals used to protect crops from pests.

(iii)Insecticides – used to kill harmful insects.

(iv)Herbicides – used to control unwanted weeds.

Que-2: Who is known as the ‘Father of Chemistry’? Why?

Ans- Antoine Lavoisier is known as the “Father of Chemistry.” He earned this title because he established the law of conservation of mass, helped develop the modern system of chemical nomenclature, and made chemistry a quantitative, experimental science.

Que-3: How is chemistry helpful in improving the health of human beings ?

Ans- Chemistry helps improve human health by enabling the development of medicines and vaccines that prevent and treat diseases. It also helps in producing antibiotics, antiseptics, disinfectants, vitamins, and diagnostic chemicals, which protect against infections and support proper medical care.

Que-4: (i) What is alchemy ?
(ii) What kind of experiments did Alchemists do?
(iii) What is the main difference between alchemy and chemistry ?

Ans- (i) Alchemy was an ancient practice that combined science, philosophy, and mysticism, mainly aimed at turning base metals into gold and discovering the elixir of life.
(ii) Alchemists performed experiments such as heating and mixing substances, attempting to change metals into gold, preparing acids and alloys, and searching for the Philosopher’s Stone.
(iii) The main difference is that alchemy was based on beliefs and mystical ideas, while chemistry is a modern science based on systematic experiments, evidence, and scientific principles.

Que-5: What is the contribution of chemistry in the following fields ?
(i) Industry
(ii) Clothing
(iii) Cosmetics
(iv) National Defence
(v) Medicines

Ans- (i) Industry: Chemistry helps in manufacturing products such as cement, glass, plastics, dyes, fertilizers, acids, and chemicals used in various industries.

(ii) Clothing: Chemistry is used to produce synthetic fibres like nylon, polyester, and rayon, as well as dyes and detergents for fabric care.

(iii) Cosmetics: Chemistry helps in making soaps, shampoos, perfumes, creams, powders, and other beauty products.

(iv) National Defence: Chemistry contributes to the production of explosives, propellants, fuels, protective materials, and medicines used by defence forces.

(v) Medicines: Chemistry enables the preparation of drugs, antibiotics, vaccines, painkillers, and other life-saving medicines.

— : End of Long Answer Questions on Introduction to Chemistry Class 6 Concise Chemistry ICSE Solutions :–

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