Discussion
Home ‣ General Knowledge ‣ Chemistry Comments
- Question
Washing soda is
Options- A. sodium hydroxide
- B. sodium carbonate
- C. sodium bicorbonate
- D. Potassium chloride
- Correct Answer
- sodium carbonate
ExplanationSodium hydroxide - NaOH is caustic soda
Sodium carbonate - Na2CO3 is washing soda
Sodium bicarbonate - NaHCO3 is baking soda
- 1. Which of the following is the mixture
Options- A. distilled water
- B. gasoline
- C. liquified petroleum gas
- D. both (b) & (c) Discuss
- 2. Whcih one is the compound in the following
Options- A. mercury
- B. ozone
- C. air
- D. ammonia Discuss
- 3. Air is
Options- A. compound
- B. element
- C. mixture
- D. solution Discuss
- 4. The substances that are composed of to or more different elements in fixed proportion by mass are called
Options- A. mixture
- B. compound
- C. element
- D. None of these Discuss
- 5. A Radioactive subatance emits
Options- A. alpha particles
- B. beta particle
- C. gamma particle
- D. all of the three Discuss
- 6. In the making of jewels, gold is usually mixed with
Options- A. zinc
- B. tin
- C. copper
- D. aluminium Discuss
- 7. Acute diabets patients smell of
Options- A. acetone
- B. ether
- C. ethyl alcohol
- D. methyl alcohol Discuss
- 8. Alum is used
Options- A. as an analgesic
- B. in the purification of water
- C. as a fertilizer
- D. as a disinfectant Discuss
- 9. The soaps used in shaving cream are
Options- A. Calcium soaps
- B. lead soaps
- C. soft soaps
- D. hard soaps Discuss
- 10. Which is the Lightest of all the metals?
Options- A. Hydrogen
- B. Lithium
- C. Sodium
- D. Pottasium Discuss
Chemistry problems
Search Results
Correct Answer: both (b) & (c)
Correct Answer: air
Correct Answer: mixture
Correct Answer: compound
Correct Answer: all of the three
Correct Answer: copper
Explanation:
In making jewels, gold is usually mixed with copper to make it little hard.
Correct Answer: acetone
Explanation:
Acute diabetes results in the formation of acetone in the body. Hence such patients smell of acetone.
Correct Answer: in the purification of water
Explanation:
Alum is a common alum, potassium aluminum sulphate which makes colloidally suspended impurities in water such as clay to settle down.
Correct Answer: soft soaps
Correct Answer: Lithium
Explanation:
Lithium is the lightest of all the metals due to its low atomic number among meetals
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.