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- Question
Washing soda is the common name for
Options- A. Sodium carbonate
- B. Calcium bicarbonate
- C. Sodium bicarbonate
- D. Calcium carbonate
- Correct Answer
- Sodium carbonate
ExplanationWhat is the scientific name for washing soda?Sodium carbonate (also known as washing soda or soda ash), Na2CO3 is a sodium salt of carbonic acid.
Scientific name for baking soda?
Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. Since it has long been known and is widely used, the salt has many related names such as baking soda, bread soda, cooking soda, and bicarbonate of soda.
General Science problems
Search Results
- 1. Galvanised iron sheets have a coating of
Options- A. lead
- B. chromium
- C. zinc
- D. tin Discuss
Correct Answer: zinc
- 2. Durand Cup is associated with the game of
Options- A. Cricket
- B. Football
- C. Hockey
- D. Volleyball Discuss
Correct Answer: Football
- 3. Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for
Options- A. Chemistry in 1954, Peace Prize in 1962
- B. Peace Prize in 1954, Chemistry in 1962
- C. Physics in 1954, Medicine in 1962
- D. Medicine in 1954, Physics in 1962 Discuss
Correct Answer: Chemistry in 1954, Peace Prize in 1962
- 4. Gabriel Daniel Fahrenheit was
Options- A. a German Physicist
- B. developed the mercury thermometer in 1714
- C. devised temperature scale
- D. All of the above Discuss
Correct Answer: All of the above
- 5. Coral reefs in India can be found in
Options- A. the coast of Orissa
- B. Waltair
- C. Rameshwaram
- D. Trivandrum Discuss
Correct Answer: Rameshwaram
- 6. Marsh gas is
Options- A. nitrogen
- B. ethane
- C. methane
- D. hydrogen Discuss
Correct Answer: methane
- 7. In fireworks, the green flame is produced because of
Options- A. sodium
- B. barium
- C. mercury
- D. potassium Discuss
Correct Answer: barium
- 8. The element common to all acids is
Options- A. hydrogen
- B. carbon
- C. sulphur
- D. oxygen Discuss
Correct Answer: hydrogen
- 9. The average salinity of sea water is
Options- A. 3%
- B. 3.5%
- C. 2.5%
- D. 2% Discuss
Correct Answer: 3.5%
- 10. What is laughing gas?
Options- A. Nitrous Oxide
- B. Carbon monoxide
- C. Sulphur dioxide
- D. Hydrogen peroxide Discuss
Correct Answer: Nitrous Oxide
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