Chemistry Multiple Choice Questions on “Importance of Chemistry”.
1. Patients suffering from AIDS can be helped using which of the following drugs?
a) Cisplatin
b) AZT (Azidothymidine)
c) Taxol
d) Codeine
Answer: b
Clarification: The drug AZT is used for preventing or treating AIDS, while cisplatin & taxol are for cancer and codeine is a sort of painkiller. The drug AZT is also known as Zidovudine. This drug AZT is an antiretroviral drug. It’s used along with other drugs as a combination.
2. What are the basic constituents of matter?
a) Atoms & Molecules
b) Atoms & Moles
c) Molecules & Ions
d) Nuclei & Ions
Answer: a
Clarification: Atoms & Molecules are the basic constituents because the matter is made up of molecules and a molecule is made of atoms. Ions are either positively or negatively charged particles. Nuclei are the central part of atoms. When seen in the microscopic level, atoms are the basic unit of matter.
3. Which of the following is a chemical change?
a) Conversion of water to ice
b) Rusting of iron
c) Crumpling a sheet of aluminum foil
d) Casting silver
Answer: b
Clarification: In rusting of iron, the oxidation state of iron changes, but in the conversion of water to ice, crumpling a sheet of aluminum foil and casting silver the chemical state remains same whereas the physical state changes. When iron is exposed to oxygen, iron oxide formation takes place.
4. What does Sushruta Samhita explain?
a) Alkanes
b) Alkynes
c) Noble gases
d) Alkalies importance
Answer: d
Clarification: Sushruta Samhita is written by Sushruta, It’s in Sanskrit and contains text about various medicinal sciences and surgical procedures. It’s an old ancient book of India. It has great historical importance as it contains the detailed procedures and the proper instruments needed.
5. Philosophy of changing substances into another form is called as _______
a) Physiology
b) Anatomy
c) Alchemy
d) Transformation
Answer: c
Clarification: Alchemy is the study of how a substance changes to other substances. It’s a very old study. In olden days, it used to be done in secrecy and was a mystery. It’s related to magic and astrology. The main thing practitioners concentrated in alchemy was turning lead into gold.
6. Rasopanishada says how the gunpowder mixture is used in war.
a) True
b) False
Answer: b
Clarification: The preparation of gun powder is explained in Rasopanishada. It’s an ancient alchemy book that describes gun powder. It also describes the making of fireworks with sulfur, saltpeter, charcoal, arsenic, camphor, mercury, etc.
7. What does the Elixir of life of do?
a) grants immortality
b) cures diseases
c) kills a person
d) cause an incurable disease
Answer: a
Clarification: “Elixir” is a magical or medical potion, that is used to prolong life to an infinite extent. This is one of the main purposes of the study of chemistry in olden days. It grants the person who drinks it with eternal life or youth. It’s sometimes equated with the philosopher’s stone.
8. The paintings on the walls of Ajanta and Ellora cave were based on ________
a) Varahmihir’s Brihat Samhitha
b) Sushruta Samhita
c) Rasopanishada
d) Charaka Samhita
Answer: a
Clarification: Varahmihir’s Brihat Samhitha is about how glutinous material is prepared and applications of it on roofs and walls of houses and temples. Ajanta and Ellora’s walls look bright for ages only because the science mentioned in this book. It contains the science of using fruits, plants, etc to paint.
9. Seeds of Manhua plant and oil of Eranda were used in making ________
a) cosmetic powder
b) color dye
c) perfume
d) soap
Answer: d
Clarification: Seeds of Manhua plant and oil of Eranda along with calcium carbonate were used in making soaps around the 18th century in India as per history records.
10. Charaka Samhita is the oldest known book of Ayurvedic in India.
a) True
b) False
Answer: a
Clarification: Ayurveda is about the treatment of diseases. It also consists of nanotechnology. It also uses bhasma of metals for treatment. It’s proven that metal’s nanoparticles are present in bhasmas. it belongs to the 2nd-century text and it has 8 books with 120 chapters.