Chemistry problems
- 1. Which among the following is used in making liquors, medicines and as a fuel in aircrafts?
Options- A. Propyl alcohol
- B. Dimethyl alcohol
- C. Ethyl alcohol
- D. Methyl alcohol Also asked in: Bank Exams
Correct Answer: Ethyl alcohol
- 2. Glass is also called ________.
Options- A. Supercooled liquid
- B. Super liquid
- C. Ideal liquid
- D. Distilled liquid Also asked in: Bank Exams
Correct Answer: Supercooled liquid
- 3. Which compound is used in Anti-malarial drug?
Options- A. Aspirin
- B. Neosporin
- C. Chloroquin
- D. Antacid Also asked in: Bank Exams
Correct Answer: Chloroquin
- 4. Which of the following elements has the lowest melting point?
Options- A. Platinum
- B. Carbon
- C. Cobalt
- D. Krypton Also asked in: Bank Exams
Correct Answer: Krypton
- 5. Which among the following compounds has the strongest hydrogen bond?
Options- A. HI
- B. HCl
- C. HF
- D. HBr Also asked in: Bank Exams
Correct Answer: HF
- 6. Name the acid present in lemon.
Options- A. Phosphoric acid
- B. Carbonic acid
- C. Citric acid
- D. Malic acid Also asked in: Bank Exams
Correct Answer: Citric acid
- 7. Adding which substance gives blue colour to glass?
Options- A. Manganese oxide
- B. Cobalt oxide
- C. Chromium oxide
- D. Iron oxide Also asked in: Bank Exams
Correct Answer: Cobalt oxide
- 8. What is the base of the Octal Numeral System?
Options- A. 8
- B. 16
- C. 32
- D. 64 Also asked in: Bank Exams
Correct Answer: 8
- 9. Which of the following elements has the lowest melting point?
Options- A. Bromine
- B. Zinc
- C. Lead
- D. Calcium Also asked in: Bank Exams
Correct Answer: Bromine
- 10. A substance that cannot be broken down into simpler substances
Options- A. Heterogenous mixure
- B. Compound
- C. Homogenous mixture
- D. Element Also asked in: AIEEE, Bank Exams, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Element
Explanation:
A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means.
Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen.
Material composed of only one kind of matter throughout (same atoms or same molecules).
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