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- Question
An atom that loses or gains electrons is called
Options- A. Proton
- B. Ion
- C. Isotope
- D. Neutron
- Correct Answer
- Ion
ExplanationAn atom that loses or gains electrons is called as ion. Gaining of electron is negative charge and is called as Anion and lossing of eectron is called Cation.
- 1. Which type of bond is found in sodium bromide?
Options- A. Ionic
- B. Covalent
- C. Polar covalent
- D. None of the above Discuss
- 2. Which of the following gases is present under pressure in soft drinks?
Options- A. Nitrous oxide
- B. Oxygen
- C. Nitrogen
- D. Carbon dioxide Discuss
- 3. Gammaxene, D.D.T. & Bleaching powder are important compounds of
Options- A. Nitrogen
- B. Phosphorus
- C. Chlorine
- D. Sulphur Discuss
- 4. ATP generally energizes a cellular process by
Options- A. direct chemical transfer of a phosphate group
- B. becoming oxidized
- C. releasing heat upon hydrolysis
- D. direct chemical transfer of a sugar group Discuss
- 5. Which gas is a source of natural groundwater pollution?
Options- A. Helium
- B. Krypton
- C. Radon
- D. Argon Discuss
- 6. An acid can be defined as Discuss
- 7. Curdling of milk is an example of
Options- A. Inversion
- B. Denaturation
- C. Hydrolysis
- D. Coagulation Discuss
- 8. Strength of concrete increases with
Options- A. increase in fineness of cement
- B. decrease in size of aggregate
- C. increase in water cement ratio
- D. decrease in curing time Discuss
- 9. Which of the following can be used as lamp oil?
Options- A. Lipids
- B. Carbohydrates
- C. Proteins
- D. Nucleic acids Discuss
- 10. Stoichiometry is based on
Options- A. Law of conservation of energy
- B. Law of conservation of mass
- C. Newton's 1st law
- D. Kepler's law Discuss
Chemistry problems
Search Results
Correct Answer: Ionic
Correct Answer: Carbon dioxide
Explanation:
Carbon dioxide is present under pressure in soft drinks.
Correct Answer: Chlorine
Explanation:
Gammaxene, D.D.T. & Bleaching powder are important compounds of Chlorine.
Correct Answer: direct chemical transfer of a phosphate group
Explanation:
ATP generally energizes a cellular process by direct chemical transfer of a phosphate group.
Correct Answer: Radon
Explanation:
Radon gas is a source of natural groundwater pollution.
Correct Answer: An acid can be defined as a molecule or other species which can donate a proton or accept an electron pair in reactions (OR) A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind
Correct Answer: Coagulation
Explanation:
Coagulation :: The action or process of a liquid, especially blood, changing to a solid or semi-solid state.
Correct Answer: increase in water cement ratio
Explanation:
Strength of concrete increases with increase in water cement ratio as the strength of the cement is directly proportional to water cement ratio.
Correct Answer: Lipids
Correct Answer: Law of conservation of mass
Explanation:
Stoichiometry is a branch of chemistry deals with the calculations on reactants and products. It is based on the Law of conservation of mass where total mass of reactants is equal to total mass of products.
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