Which of the following shows electrical conduction?
Which of the following shows electrical conduction? Options (a) Sodium (b) Potassium (c) Diamond (d) Graphite Correct Answer: GraphiteExplanation:No explanation…
7 years ago
S and Some P Block Elements
NaOH is prepared by the electrolysis of
NaOH is prepared by the electrolysis of Options (a) aqueous solution of sodium chloride with platinum electrode (b) sodium chloride…
7 years ago
This radical can be identified by Borax bead test is
This radical can be identified by Borax bead test is Options (a) Mg²⁺ (b) Ca²⁺ (c) Cu⁺ (d) Cu²⁺ Correct…
7 years ago
Baking soda or baking powder is
Baking soda or baking powder is Options (a) washing soda (b) caustic soda (c) soda ash (d) sodium bicarbonate Correct…
7 years ago
How much quick lime can be obtained from 25g of CaCO₃?
How much quick lime can be obtained from 25g of CaCO₃? Options (a) 56 g (b) 14 g (c) 60…
7 years ago
Which of the following has a tendency for covalent compound formation
Which of the following has a tendency for covalent compound formation Options (a) Na (b) Mg (c) Ca (d) Ba…
7 years ago
Which of the following is not efflorescent?
Which of the following is not efflorescent? Options (a) NaOH (b) CuSO₄ (c) MgSO₄ (d) Hydrated CuSO₄ Correct Answer: Hydrated…
7 years ago
Potassium is stored in
Potassium is stored in Options (a) alcohol (b) water (c) kerosene (d) liquid ammonia Correct Answer: kerosene Explanation: On exposure…
7 years ago
Formula of Plaster of Paris is
Formula of Plaster of Paris is Options (a) CaSO₂.(1/2)H₂O (b) CaSO₄.H₂O (c) CaSO₄.(1/3)H₂O (d) CaSO₄.2H₂O Correct Answer: CaSO₂.(1/2)H₂O Explanation: Plaster…
7 years ago
One mole of magnesium nitride on reaction with excess of water gives
One mole of magnesium nitride on reaction with excess of water gives Options (a) 1 mole of ammonia (b) 1…
7 years ago