Discussion
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- Question
Alloy of copper and zinc is called
Options- A. Bronze
- B. Gold
- C. Silver
- D. Brass
- Correct Answer
- Brass
- 1. The element gold occurs in which period?
Options- A. 11
- B. 5
- C. 6
- D. 7 Discuss
- 2. The process of conversion of sugar to alcohol is called
Options- A. Moulding
- B. Infection
- C. Fermentation
- D. Alcohol fixation Discuss
- 3. Which gas is used in tube light?
Options- A. Oxygen
- B. Hydrogen
- C. Neon
- D. Nitric oxide Discuss
- 4. Which substance contains metallic bonds?
Options- A. C6H12O6
- B. Hg
- C. H2O
- D. NaCl Discuss
- 5. 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
- 6. Which compound is a saturated hydrocarbon?
Options- A. Alkene
- B. Alkane
- C. Alkine
- D. All of the above Discuss
- 7. Infiltration is the process by which rainwater becomes
Options- A. river water
- B. ground water
- C. salt water
- D. ocean water Discuss
- 8. All atoms of uranium have the same
Options- A. Atomic mass
- B. Number of electrons
- C. Atomic number
- D. Mass number Discuss
- 9. Which of the following is not a type of chemical weathering?
Options- A. Corrosion
- B. Solution
- C. Oxidation
- D. Carbonation Discuss
- 10. Calcium salts used as fertilizer is:
Options- A. Calcium Carbide
- B. Calcium Carbonate
- C. Calcium Cyanide
- D. Calcium Sulphate Discuss
Chemistry problems
Search Results
Correct Answer: 6
Correct Answer: Fermentation
Correct Answer: Neon
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: 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.
Correct Answer: Atomic number
Explanation:
There are many isotopes of uranium and all of them have same atomic number i.e, sum of nmber of neutrons and protons.
Correct Answer: Corrosion
Explanation:
Chemical weathering is the process of altering rocks chemically when they are broken down. It includes hydrolysis, oxidation, acid rain, etc...
Correct Answer: Calcium Sulphate
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