P Block Elements NEET Questions (Ammonia) are very important for NEET, JEE as well as AIIMS exam. These P Block Elements Class 12 Important Questions will help you to score more marks. These P Block Elements NEET Questions (Ammonia) will be very useful for those students who are preparing with complete devotion and hard work.
P Block Elements NEET Questions (Ammonia)
1. In the Haber-Bosch process, what is formed by the reaction of natural gas and steam?
a) Ammonia
b) Nitrogen
c) Oxygen
d) Hydrogen
Answer: Hydrogen
2. Which of the following conditions would improve the yield of ammonia production from Bosch-Haber process?
a) High temperature, high pressure
b) High temperature, low pressure
c) Low temperature, low pressure
d) Low temperature, high pressure
Answer: Low temperature, high pressure
3. Nitrogen in plants is taken in what form?
a) Ammonia
b) Amide
c) Nitrate
d) Nitrite
Answer: Nitrate
4. What is the most acidic of all?
a) NH3
b) NaOH
c) KOH
d) Alkaline KMnO4
Answer: NH3
5. What is one method of qualitatively analyzing a given salt for presence of ammonia?
a) Solution turns blue litmus red
b) Heating the salt causing decrepitation
c) Using a reagent to obtain dirty brown precipitate
d) Addition of NaOH causing white gelatinous precipitate
Answer: Using a reagent to obtain dirty brown precipitate
6. What happens when sodium is put in a solution of ammonia?
a) It generates a lot of heat
b) It does not dissolve
c) It produces deep blue color
d) Ammonia liquid evaporates due to heat
Answer: It produces deep blue color
7. What is the chemical formula of ammonia?
a) NH2
b) NH3
c) NH4+
d) NH5
Answer: NH2
8. What kind of smell is ammonia recognized by?
a) Acidic
b) Sweet
c) Rotten
d) Pungent
Answer: Pungent
9. How many unshared pair of electrons does an ammonia molecule have?
a) 1
b) 2
c) 3
d) 4
Answer: 1
Categories: P Block Elements
Question and Answers 