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Deepak Rock
@deepak-rock
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Joined: Aug 6, 2021
Last seen: Sep 10, 2021
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Topics: 1742 / Replies: 303
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Topic
What is the common name of the compound CaOCl2?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 67
Topic
Write the chemical equation for the reaction between Plaster of Paris and water.
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 298
Topic
What will happen if the solution of sodium hydrogen carbonate is heated? Write the chemical equation involved.
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 362
Topic
Name the sodium compound used for softening hard water.
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 246
Topic
Name the substance which upon treating with chlorine gives bleaching powder. Write the chemical equation for the reaction.
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 121
Topic
Under what soil conditions, do you think a farmer would spread or treat the soil of his field with quick lime (calcium oxide) or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 144
Topic
Do basic solutions also have H^+(aq)? If yes, then why are these basic?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 58
Topic
What effect does concentration of H^+(aq) have on acidic nature of a solution?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 72
Topic
The organelle that has in the membrane biogenesis?
4 years ago
Forum
Science
Replies: 0
Views: 305
Topic
Who discovered cell (a) robber hooke (b) Robert Brown (c) M Jschleiden (d) schwann
4 years ago
Forum
Science
Replies: 0
Views: 294
Topic
Which of the following elements is not a metalloid? (a) boron (b) silicon (c) germanium (d) tungsten
4 years ago
Forum
Science
Replies: 0
Views: 491
Topic
Which of the following cannot be considered a form of matter (a) atom (b) water (c) humidity (d) Stone
4 years ago
Forum
Science
Replies: 0
Views: 232
Topic
What is the name of the metal which exist in liquid state and room temperature (a) Sodium (b) potassium (c) Mercury (d) Bromine
4 years ago
Forum
Science
Replies: 0
Views: 143
Topic
Which of the following has strongest intermolecular forces of attraction (a) water (b) iron (c) sponge (d) air
4 years ago
Forum
Science
Replies: 0
Views: 162
Topic
Which of the following phenomena always results in the cooling effect? (a) condensation (b) evaporation (c) sublimation (d) none of these
4 years ago
Forum
Science
Replies: 0
Views: 1024
Topic
You have two solutions A and B. The pH of solution A is 6 and that of solution B is 8. Which solution has more hydrogen ion concentration? Which of these is acidic and which one is basic?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 209
Topic
How is concentration of hydroxyl (OH^–) ions affected when excess of base is dissolved in solution of sodium hydroxide?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 82
Topic
How is concentration of hydronium ions (H3O^+) affected when solution of an acid is diluted?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 78
Topic
While diluting an acid, why is it recommended to add acid to water and not water to the acid?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 293
Topic
Why does dry HCl gas not change the colour of dry litmus paper?
4 years ago
Forum
Acids, bases and salt
Replies: 0
Views: 333
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