Electrometallurgical process is used to extract a) Na b) Ag c) Pb d) Fe
Option a) Na. Na is reactive and cannot be extracted by means of the reduction and electrometallurgical process is used... View Article
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What are hydrocarbons give one example
Compounds of carbon and hydrogen are known as hydrocarbons. Examples of hydrocarbons: Methane and Ethane.
State true or false: Chemisorption is irreversible
The given statement is True. Chemical adsorption is irreversible in nature and physical adsorption is reversible in nature.
State true or false: Journal entry for transfer of purchase return is – Purchase return a/c dr. To Trading A/c
The given statement is True.
The term metabolism refers to a) Release or gain of energy b) Catabolism of a reaction c) Gain of energy d) Release of energy
Option a) Release or gain of energy.
What would happen when blood is acidic
When blood becomes acidic, carbon dioxide concentration increases. This leads to a decrease in the pH of the blood. The... View Article
Which one of the following disease is caused by protozoans a) AIDS b) Cholera c) Influenza d) Malaria
Option d) Malaria. Malaria is caused by parasitic protozoa Plasmodium sp.
The most acidic oxide among the following is a) N2O5 b) P2O5 c) NO2 d) N2O4
Option a) N2O5. N2O5 is the most acidic among the following since oxidation state increases as acidic nature increases.
State whether true or false: A cylindrical magnet has only one pole.
False. A cylindrical magnet has only two pole.
Which of the following is a common passage in swallowing food and breathing (a) Gullet (b) Pharynx (c) Larynx (d) Glottis
Option (b) Pharynx. The pharynx is the common pathway for food and air.
A reducing agent is a substance which can (a) Accept protons (b) Accept electrons (c) Donate protons (d) Donate electrons
Option (d) Donate electrons.
South africa became a democratic country in the year
South Africa became a democratic country in the year 27 April 1994.
The monomer of polystyrene is
Styrene (C6H5CH=CH2) is the monomer of polystyrene.
An alloy of copper and zinc is
Brass is an alloy of copper and zinc.
Sagar samrat is (a) an island in the Indian Ocean (b) an oil drilling platform in Mumbai High (c) the army ship (d) a spacecraft
Option (b) an oil drilling platform in Mumbai High.
Who was the founder of hoysala dynasty
The founder of hoysala dynasty is King Nripa Kama II.
Polyembryony commonly occurs in (a) Potato (b) Citrus (c) Tomato (d) Banana
Option (b) Citrus
How are electromagnetic waves produced. what is the source
Oscillating charges produce electromagnetic waves. Accelerating/oscillating charge particle is the source of energy of electromagnetic waves.
The land of wind mills is
The Netherlands is known as the land of windmills.
Write two properties of air
Properties of air are: Air occupies space Air exerts pressure Air can be compressed Air has mass
