Discussion
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- Question
The oceanic crust mainly consists of silica and __________.
Options- A. magnesium
- B. iron
- C. manganese
- D. sulphur
- Correct Answer
- magnesium
- 1. Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?
Options- A. Methyl isocyanate
- B. Methyl isochlorate
- C. Methyl Phosphate
- D. Methyl Isopropate Discuss
- 2. Which among the following is used to generate light, to weld metals?
Options- A. Ethylene
- B. Acetylene
- C. Glycol
- D. Oxalic acid Discuss
- 3. Atomic number of which of the following elements is greater than that of Copper?
Options- A. Iron
- B. Chromium
- C. Zinc
- D. Manganese Discuss
- 4. ______ is used for making chemical apparatus like beakers, flasks etc.
Options- A. Potash glass
- B. Hard glass
- C. Jena glass
- D. Soda glass Discuss
- 5. The nitrogenous waste of Human Beings is
Options- A. Ammonia
- B. Urea
- C. Ammonium Nitrate
- D. Uric Acid Discuss
- 6. Magnesium oxide (MgO) + Water (H2O) = ?
Options- A. [Mg(OH)]
- B. [Mg(O2H)2]
- C. [Mg2(OH)]
- D. [Mg(OH)2] Discuss
- 7. What is the name of the acid in grapes?
Options- A. Lactic acid
- B. Formic acid
- C. Acetic acid
- D. Tartaric acid Discuss
- 8. Limestone is a raw material used by which industry?
Options- A. Aluminium
- B. Fertilizers
- C. Cement
- D. Petrochemicals Discuss
- 9. Chemical properties of isotopes .............
Options- A. must be same
- B. must be different
- C. need not be same
- D. need not be different Discuss
- 10. Sour taste of lemon is due to the presence of which of the following ?
Options- A. Citric acid
- B. Acetic acid
- C. Oxalic acid
- D. Formic acid Discuss
Chemistry problems
Search Results
Correct Answer: Methyl isocyanate
Correct Answer: Acetylene
Correct Answer: Zinc
Correct Answer: Hard glass
Correct Answer: Urea
Correct Answer: [Mg(OH)2]
Correct Answer: Tartaric acid
Correct Answer: Cement
Correct Answer: must be same
Correct Answer: Citric acid
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