Discussion
Home ‣ General Knowledge ‣ Chemistry Comments
- Question
Which gas is used in tube light?
Options- A. Oxygen
- B. Hydrogen
- C. Neon
- D. Nitric oxide
- Correct Answer
- Neon
- 1. Which substance contains metallic bonds?
Options- A. C6H12O6
- B. Hg
- C. H2O
- D. NaCl Discuss
- 2. Group 7A of the periodic table contains the
Options- A. most reactive metals
- B. least reactive non metals
- C. most reactive non metals
- D. least reactive metals Discuss
- 3. After cleaning the thermometer should be placed in
Options- A. Sanitizer
- B. Ice cold water
- C. Mercury
- D. None of the above Discuss
- 4. Rust is formed from iron and
Options- A. Carbon
- B. Oxygen
- C. Hydrogen
- D. All of the above Discuss
- 5. Which element has similar properties to Beryllium?
Options- A. Manganese
- B. Calcium
- C. Both A & B
- D. Helium Discuss
- 6. The process of conversion of sugar to alcohol is called
Options- A. Moulding
- B. Infection
- C. Fermentation
- D. Alcohol fixation Discuss
- 7. The element gold occurs in which period?
Options- A. 11
- B. 5
- C. 6
- D. 7 Discuss
- 8. Alloy of copper and zinc is called
Options- A. Bronze
- B. Gold
- C. Silver
- D. Brass Discuss
- 9. Which compound is a saturated hydrocarbon?
Options- A. Alkene
- B. Alkane
- C. Alkine
- D. All of the above Discuss
- 10. Infiltration is the process by which rainwater becomes
Options- A. river water
- B. ground water
- C. salt water
- D. ocean water Discuss
Chemistry problems
Search Results
Correct Answer: Hg
Explanation:
Metallic bond is a bond between two metal atoms. Here in the given option Hg is the only metal with metallic bond.
Correct Answer: most reactive non metals
Correct Answer: Sanitizer
Correct Answer: Oxygen
Explanation:
Rust is formed from iron and oxygen.
Correct Answer: Calcium
Explanation:
The elements in the same column will have similar properties. Beryllium is the group II element. Group II elements are magnesium, calcium, strontium, barium and radium. Hence, these show the similar prperties.
Correct Answer: Fermentation
Correct Answer: 6
Correct Answer: Brass
Correct Answer: Alkane
Explanation:
Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom.
Correct Answer: ground water
Explanation:
The process of absorbtion of rain water by the soil on the earth is called infiltration. By this process, the rain water that falls on the soil becomes ground water.
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.