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Siya Talwar
Subject: Science
, asked on 23/12/17
Sulphuric acid is formed when ........................reacts with water.
(A) SO
2
(B) S (C) SO
3
(D) O
2
Answer
2
Siya Talwar
Subject: Science
, asked on 19/12/17
Solve this:
Q75. Sodium hydroxide reacts with sulphuric acid to form the corresponding salt and water. Find the number of atoms in one molecule of the salt formed.
Answer
1
Siya Talwar
Subject: Science
, asked on 19/12/17
Solve this:
72. How many bases among the following are alkalis ?
Sodium hydroxide, copper hydroxide, aluminium hydroxide, potassium hydroxide, ammonium hydroxide
Answer
2
Siya Talwar
Subject: Science
, asked on 19/12/17
Please solve questions 73&75
Q73. The number of mineral acids among the following.
Carbonic acid, citric acid, acetic acid, nitric acid, sulphuric acid, hydrochloric acid phosphoric acid, oxalic acid.
Q74. Identify the number of physical changes from the following.
Condensation, corrosion, sublimation, solidification, expansion, combustion
Q75. Sodium hydroxide reacts with sulphuric acid to form the corresponding salt and water. Find the number of atoms in one molecule of the salt formed.
Answer
2
Siya Talwar
Subject: Science
, asked on 19/12/17
Is aluminium hyroxide an alkali?
Answer
2
Gowsik
Subject: Science
, asked on 17/12/17
Are milk and water combined acidic or basic?
Answer
5
Udiasmi Chakraborty
Subject: Science
, asked on 16/12/17
caustic potash or potassium hydroxide has the property of absorbing which gas
a.CO
2 B.HYDROGEN C. NITROGEN D.O2
Answer
2
Santanu Sahoo
Subject: Science
, asked on 15/12/17
Why is Carbonic water often prescribed to treat acidity? Explain in details.
Answer
5
Kanishka Gupta
Subject: Science
, asked on 28/11/17
Aman was trying to use layering method to reproduce a rose plant . is he doing right thing justify your answer?
Answer
5
Kanishka Gupta
Subject: Science
, asked on 28/11/17
Name the acidic gas which is discharged into the atmosphere on the burning of fuels like coal and natural gas.How is the gas formed?
Answer
1
Kanishka Gupta
Subject: Science
, asked on 28/11/17
indicate the colour change of water in Phenolphthalein and also give reason?
Answer
4
Kanishka Gupta
Subject: Science
, asked on 28/11/17
Give two methods for the preparation of salts?
Answer
4
Nileesha
Subject: Science
, asked on 15/11/17
What do we mean by difference between acids and bases???I know that acids sre sour and bases are bitter but i need another point for it.
Answer
1
Scientist 😍😍
Subject: Science
, asked on 12/11/17
Write chemical equation for the following reactions; (a) Ammonium hydroxide reacts with sulphuric acids
Answer
1
Scientist 😍😍
Subject: Science
, asked on 12/11/17
Write chemical equation for the following reactions; (a) Hydrochloric acids reacts with sodium hydroxide
Answer
1
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What are you looking for?
(A) SO2 (B) S (C) SO3 (D) O2
Q75. Sodium hydroxide reacts with sulphuric acid to form the corresponding salt and water. Find the number of atoms in one molecule of the salt formed.
72. How many bases among the following are alkalis ?
Sodium hydroxide, copper hydroxide, aluminium hydroxide, potassium hydroxide, ammonium hydroxide
Q73. The number of mineral acids among the following.
Carbonic acid, citric acid, acetic acid, nitric acid, sulphuric acid, hydrochloric acid phosphoric acid, oxalic acid.
Q74. Identify the number of physical changes from the following.
Condensation, corrosion, sublimation, solidification, expansion, combustion
Q75. Sodium hydroxide reacts with sulphuric acid to form the corresponding salt and water. Find the number of atoms in one molecule of the salt formed.
a.CO2 B.HYDROGEN C. NITROGEN D.O2