Science Quiz 52: Chemistry Quiz

Science Quiz 52: Chemistry Quiz

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1. A white alloy of nickel, zinc, and copper is

German silver
Alumel
Rose metal
Chinese silver

2. Name the gas that causes explosions in coal mines

Hydrogen sulfide
Carbon dioxide
Carbon monoxide
Methane

3. Name the only element that doesnot have any neutrons?

Carbon
Hydrogen
Helium
Calcium

4. The synthetic chemical element with the atomic number 96 is?

Uranium
Polonium
Radium
Curium

5. Uranium undergo 14 radioactive decays and eventually become a stable isotope of

Lead
Radium
Thorium
Polonium

6. What is called the "Philosopher's Wool"?

Zinc oxide
Zinc nitrate
Zine bromide
Zinc chloride

7. What is the chemical name of marble?

Calcium carbonate
Magnesium oxide
Calcium oxide
Sodium hydroxide

8. Which company in 1973 introduced the use of LCD display in calculators?

Sharp
Canon
Casio
Hitachi

9. Which one of the following does not react vigorously with water?

Potassium
Sodium
Lithium
Calcium

10. Which one of the following is NOT a metal used to make German Silver?

Zinc Oxide
Nickel
Copper
Silver

General Science Quiz 48: Chemistry Quiz

General Science Quiz 48: Chemistry Quiz

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1. The tendency of similar particles to cling to one another is called?

Adhesion
Cohesion
Galling
Lubrication

2. Mead is an alcoholic beverage created by the fermentation of

Honey
Grapes
Barley
Mango

3. Michael Faraday had worked as a Chemical Assistant under one of the world renowned scientists. Can you name the scientist?

Albert Einstein
Earnest Rutherfordq
James Clerk Maxwell
Humphry Davy

4. Who won the Nobel Prize in Chemistry in 1993, for the invention of polymerase chain reaction (PCR) technique?

Rudolph A Marcus
Richard R Ernst
Robert Koch
Kary Mullis

5. Name the chemical element first isolated in 1774 by the Swedish chemist Johan Gottlieb Gahn

Zinc
Magnesium
Uranium
Manganese

6. Which chemical elemets got its name from Greek word meaning "light bearer" because it emits a faint glow when exposed to oxygen?

Phosphorus
Sulfur
Aluminium
Zinc

7. Name the widely used food preservative from the following

Sodium benzoate
Potassium permanganate
Sulfur trioxide
Sodium hypochlorite

8. Which one of the following is used in car batteries?

Hydrochloric acid
Sulfuric acid
Acetic acid
Boric acid

9. The colour of urine generally ranges from pale-yellow to deep amber. Name the pigment that gives the yellow color to utineq

Bilirubin
Urochrome
Melanin
Zeaxanthin

10. Who is credited with the invention of nylon?

Wallace Carothers
Leo Baekeland
Walter Hunt
Alexander Parkes

Science Quiz 9 - Chemistry Quiz

General Science Quiz 9 - Chemistry Quiz

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1.When a gas is turned into a liquid, the process is called

Evaporation
Melting
Deposition
Condensation

2. Which one of the following is known as "fool's gold"?

Coal tar
Lignite
Pyrite
Ilmenite

3. What is the common name of the mineral kaolin?

China clay
Benzene
Asphalt
Chalk

4. The non-metal elements in Group 7 are known as the halogens. Which is the most reactive halogen?

Chlorine
Iodine
Bromine
Flouorine

5. Monazite is the ore of

Iron
Thorium
Silver
Aluminium

6. Aqua regia or the royal water that can dissolve noble metals like gold and platinum is a mixture of

nitric acid and hyd
sulphuric acid and hydrochloric
nitric acid and sulphuric acid
sulphuric acid and citric acid

7. Which chemical element is commonly known as quicksilver and was formerly named hydrargyrum?

Silver
Aluminium
Mercury
Platinum

8. A colloid is a mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance. What do you call a colloid formed by the mixture of two or more liquids?

Sol
Emulsion
Aerosol
Foam

9. What is the heaviest naturally occurring element?

Platinum
Diamond
Uranium
Osmium

10. Which is called Brown Coal?

Iron
Copper
Graphite
Lignite