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- Question
Which characteristic is a property of molecular substances?
Options- A. good heat conductivity
- B. high melting point
- C. good heat conductivity
- D. low melting point
- Correct Answer
- low melting point
ExplanationThe substances in which two or more atoms are attached together are called as molecular substances.
Properties of molecular substances ::
1. Molecular substances are bonded with covalent bonds
2. Bad heat conductivity
3. Bad electrical conductivity
4. Have low melting points.
- 1. Which gas is used for the preparation of Soda water?
Options- A. Carbon Dioxide
- B. Oxygen
- C. Hydrogen
- D. Ammonia Discuss
- 2. Which has the lowest freezing point?
Options- A. Mercury
- B. Helium
- C. Cesium
- D. Aluminium Discuss
- 3. The first two steps in the lithification process are
Options- A. Cementation and Proposal
- B. Compaction and Ratification
- C. Compaction and Cementation
- D. Ratification and Cementation Discuss
- 4. Barbituric Acid was synthesized in 1864 by
Options- A. Adolf von Baeyer
- B. Marie Curie
- C. Mendeleev
- D. John Dalton Discuss
- 5. The compound MgCl2 is named
Options- A. Magnesium Chloride
- B. Magnesium Chlorine
- C. Magnesium Dichloride
- D. Dimagnesium Chloride Discuss
- 6. Elements that are poor conductors of heat and electricity are
Options- A. Metals
- B. Non metals
- C. Halogens
- D. Noble Discuss
- 7. Which combination will produce a precipitate?
Options- A. NaOH (aq) and HCl (aq)
- B. KOH (aq) and Mg(NO3)2 (aq)
- C. NaC2H3O2(aq) and HCl (aq)
- D. AgNO3(aq) and Ca(C2H2O3) (aq) Discuss
- 8. Which gas is not produced by volcanic eruptions?
Options- A. Methane
- B. carbon dioxide
- C. sulfur dioxide
- D. hydrochloric acid Discuss
- 9. Which scientist established the Law of Octaves?
Options- A. John Newlands
- B. Antoine Lavoisier
- C. Alfred Nobel
- D. Marie Curie Discuss
- 10. Another name for the activated complex is
Options- A. Transmission state
- B. Energy barrier
- C. Collision group
- D. Transition state Discuss
Chemistry problems
Search Results
Correct Answer: Carbon Dioxide
Correct Answer: Helium
Explanation:
Helium has the lowest freezing point of all the elements. When coming to metals, mercury has the lowest freezing point of all the metals.
Correct Answer: Compaction and Cementation
Explanation:
The first two steps in the lithification process are Compaction and Cementation.
Correct Answer: Adolf von Baeyer
Explanation:
German Chemist, Adolf von Baeyer first synthesized Barbituric Acid in 1864.
Correct Answer: Magnesium Chloride
Explanation:
The compound MgCl2 is named as Magnesium Chloride.
Correct Answer: Non metals
Explanation:
Elements that are poor conductors of heat and electricity are called Non metals.
Correct Answer: KOH (aq) and Mg(NO3)2 (aq)
Correct Answer: Methane
Correct Answer: John Newlands
Correct Answer: Transition state
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