CHEMISTRY ONE LINER SET 25

CHEMISTRY ONE LINER SET 25

1. Acetylene is used as an anaesthetic under which name? Narcylene
 
2. Which is responsible for red rot of sugarcane? Collectorichum falcatum
 
3. What is the major ingredient of leather? Collagen
 
4. Which particle has similar mass to that of the electron? Positron
 
5. Which acid used to remove inkspots? Oxalic acid
 
6. For pasteurisation of milk by Flash method, at which temperature is milk
heated?
100°C
 
7. Which chemical is used for preserving fruit juices? Sodium benzoate
 
8. Which metal is found in ‘plaster of paris’? Calcium
 
9. In which year did Mahatma Gandhi return to India, leaving South Africa for
ever?
1914
 
10. Which radiation emitted from the sun has highest wavelength? Micro waves