Ethylene
• Blood bank was invented by:
Charles Richard Drew
• Law of triads was put forward by:
Johann Dobereiner
• The high reactivity of fluorine is due to:
Its high electronegativity
• Bakelite is a copolymer of Phenol and:
Formaldehyde
• The process by which DNA is copied to RNA is called:
Transcription
• Calcium absorption is facilitated by the presence of Vitamin D
• Potassium permanganate is used for purifying drinking water because:
It is an oxidising agent
• What happens to the liquid when the vapours pressure is equal to atmospheric pressure?
It starts boiling
• The pollutant that may lead to Black foot disease is:
Arsenic
• The maximum number of electrons on a principal shell is:
2n²
• Andidiuretic hormone is produced by
Hypothalamus
Cutting of plants in ornamental shape is called
Topiary
The term green revolution was first used to by
William Gowd
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