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- Question
In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. Expectant mothers are more ____________ to lung damage due to smoking.
Options- A. vulnerable
- B. disposed
- C. sensitive
- D. affected
- Correct Answer
- vulnerable
- 1. The acid used in lead storage cells is
Options- A. Sulphuric acid
- B. Nitric acid
- C. Hydrochloric acid
- D. Phosphoric acid Discuss
- 2. Which acid is present in tomato?
Options- A. Sulphuric acid
- B. HCl
- C. Both A & B
- D. Citric acid Discuss
- 3. An example of an extensive property of matter is
Options- A. Volume
- B. Mass
- C. Density
- D. All the above Discuss
- 4. The nitrogenous waste of Human Beings is
Options- A. Ammonia
- B. Urea
- C. Ammonium Nitrate
- D. Uric Acid Discuss
- 5. A colored ion generally indicates a
Options- A. transition metal
- B. metalloid
- C. large in size
- D. Both B & C Discuss
- 6. ______ is used for making chemical apparatus like beakers, flasks etc.
Options- A. Potash glass
- B. Hard glass
- C. Jena glass
- D. Soda glass Discuss
- 7. The reactivity of an atom arises from
Options- A. the existence of unpaired electrons in the valence shell
- B. the potential energy of the valence shell
- C. the average distance of the outermost electron shell from the nucleus
- D. the sum of the potential energies of all the electron shells Discuss
- 8. 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
- 9. Arrange the following compounds in order of increasing acidity?
Options- A. o-cresol < phenol < o-nitrophtenol
- B. phenol < o-nitrophtenol < o-cresol
- C. o-nitrophtenol < o-cresol < phenol
- D. None of the above Discuss
- 10. which of the following molecule contains a nonpolar covalent bond?
Options- A. Br2
- B. CO2
- C. CCl4
- D. CO Discuss
More questions
Correct Answer: Sulphuric acid
Correct Answer: Citric acid
Correct Answer: All the above
Explanation:
Any properties that are dependent on the amount of matter are called as extensive properties of matter.
Examples are :: Mass, Volume, Density (M/V),...
Correct Answer: Urea
Correct Answer: transition metal
Explanation:
A colored ion generally indicates a transition metal.
Correct Answer: Hard glass
Correct Answer: the existence of unpaired electrons in the valence shell
Explanation:
The reactivity of an atom arises from the existence of unpaired electrons in the valence shell.
Correct Answer: Methyl isocyanate
Correct Answer: o-cresol < phenol < o-nitrophtenol
Correct Answer: Br2
Explanation:
Br-Br.
In Br2, two of the same atoms, pull on each side of the bond is equal making it as non-polar.
The other options all include a significantly more electronegative atom (the oxygens and the chlorine), so those bonds are all polar covalent.
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