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- Question
Which among the following is an example of mixture?
Options- A. Milk
- B. Gasoline
- C. Liquefied petroleum gas
- D. All options are correct
- Correct Answer
- All options are correct
- 1. What is the number of groups and periods in the modern periodic table?
Options- A. 18, 7
- B. 18, 8
- C. 16, 7
- D. 16, 8 Discuss
- 2. Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in
Options- A. Conduction
- B. Convection
- C. Radiation
- D. Both conduction and convection Discuss
- 3. ....... is displaced when zinc is added to the solution of copper sulphate
Options- A. Copper
- B. Hydrogen
- C. Zinc
- D. Sulphate Discuss
- 4. ............. elements have the largest atoms
Options- A. F
- B. O
- C. H
- D. Li Discuss
- 5. ........... as is used as an illuminating gas.
Options- A. Methyl
- B. Propane
- C. Butene
- D. Ethyne Discuss
- 6. Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960?
Options- A. Bertrand Halperin
- B. Eugene Wigner
- C. Paul Dirac
- D. Felix Bloch Discuss
- 7. Magnesium is a constituent metal of __________
Options- A. Chlorophyll molecule
- B. DNA
- C. Mitochondria
- D. Ribosomes Discuss
- 8. Name the gas used in preparation of bleaching powder
Options- A. Oxygen
- B. Hydrogen
- C. Nitrogen
- D. Chlorine Discuss
- 9. In arc welding, Argon is used because of its
Options- A. Low reactivity with metal
- B. Ability to lower the melting point of the metal
- C. High flammability
- D. High calorific value Discuss
- 10. Inert gases are
Options- A. Miscible with water
- B. Not stable
- C. Chemically unreactive
- D. Chemically very active Discuss
Chemistry problems
Search Results
Correct Answer: 18, 7
Correct Answer: Convection
Correct Answer: Copper
Correct Answer: Li
Correct Answer: Propane
Correct Answer: Bertrand Halperin
Correct Answer: Chlorophyll molecule
Correct Answer: Chlorine
Correct Answer: Low reactivity with metal
Correct Answer: Chemically unreactive
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