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CHEMISTRY

Chemistry
Which is a natural colloid ?

Cane-sugar
Urea
Blood
Sodium chloride

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Chemistry
Suspension particles have the size between

10–2 – 10–4 cm
10–5 – 10–7cm
10–1 – 10–2 cm
10–8 – 10–10cm

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Chemistry
Which of the following acts as best adsorbent?

Carbon black
Charcoal
Activated Charcoal
Activated Coconut Charcoal

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise mixture
Enrich the aroma
Stabilise the colloid and prevent crystallisation
Prevent making a colloid

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Chemistry
Milk is

Emulsion
Suspension
Foam
Gel

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