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English 16 Public

Properties of water

Study Slideshow

What is the scientific name of water?

Dihydrogen monoxide

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State true or false: Deliquescent substances are crystalline solids.

True

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FeSO4.7H20 is commonly known as _________ salt.

Epsom salt

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Which of the following has the highest solubility at 100 °C. a. Sodium chloride b. Potassium nitrate c. Calcium sulphate

b. Potassium nitrate

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Which figure shows saturated solution?

B

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State True or False. Green vitriol is an example of anhydrous substance.

False

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A solution which can dissolve more of a solute at a given temperature is known as _______ solution

Unsaturated Solution

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Name a deliquescent salt of a trivalent metal

Ferric Chloride

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Find the odd one out:Ferrous sulphate, Copper sulphate, Calcium sulphate, Sodium nitrate

Sodium nitrate is anhydrous substance.

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What can you infer from the solubility curve of Salt X?

Solubility increases with rise in temperature

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An example of a compound whose solubility increases slightly with rise in temperature.Is it : a) NaCl or b) CaSO4

NaCl

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What can you infer from the solubility curve of Salt Z?

Solubility decreases with rise in temperature

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When Copper sulphate crystals are heated, the colour changes from ___ to ____

Blue to white

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Name a liquid hygroscopic substance.

Concentrated sulphuric acid

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State True or False:A solution in which the amount of solute is relatively small compared to amount of solvent is called Dilute solution

True

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Find the odd one out: Fused calcium chloride, Quicklime, concentrated Sulphuric acid, Copper sulphate

Copper sulphate is not a drying agent.

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