PDF chapter test TRY NOW
Match the following by choosing the correct option:
1. Blue-black colour indicates -
2. Presence of sugar -
3. Copper sulphate and caustic soda -
4. When oil is rubbed onto paper -
Answer variants:
Paper turns translucent
Presence of starch
Blue colour turns to green, yellow, and brick-red depending on amount of sugar
Mixture used in testing the presence of protein.
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