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Updated on October 1, 2023

DATA MINING TUTORIAL

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JAVASCRIPT INTERVIEW QUESTIONS

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The most commonly used chemicals in the artificial rainmaking or cloud seeding are
1). Silver Iodide (AgI)
2). Sodium Chloride (NaCl)
3). Dry Ice (Frozen CO2)
4). All of the above

Which one of the following is found in kidney stones?
1). Sodium oxalate
2). Calcium oxalate
3). Sodium chloride
4). Calcium acetate

Which of the following is used as a lubricant in heavy machines?
1). Bauxite
2). Sulphur
3). Phosphorus
4). Graphite

Milk Sugar is
1). Lactose
2). Maltose
3). Galactose
4). Sucrose

What is “milk of magnesia’ chemically ?
1). Magnesium carbonate
2). Sodium bicarbonate
3). Calcium hydroxide
4). Magnesium hydroxide

Gobar gas basically contained
1). Carbon dioxide
2). Carbon monoxide
3). Hydrogen sulphide
4). Methane

Which metal is extracted from seawater?
1). Potassium
2). Magnesium
3). Aluminium
4). Beryllium

Which of the following is not a nucleon?
1). Proton
2). Neutron
3). Electron
4). Positron

Water is not effective in extinguishing a fire caused by petrol because
1). die flame is too hot for water to cool it down
2). water and petrol react chemically
3). water and petrol are miscible with each other
4). water and petrol are immiscible with each other and petrol which forms the upper layer continues to bum

Which gas is used as fire extinguisher?
1). Carbon dioxide
2). Carbon monoxide
3). Carbon suboxide
4). Sulphur dioxide

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