Science, asked by aayusha82, 11 months ago

State True or False :
1. Dobereiner stated the law of octet.
2. Newlands stated the law of triads.
3. The speed of a chemical reaction depends on the catalyst used in the chemical reaction.
4. Antioxidants are used to prevent oxidation of food containing fats and oils.
5. In a period, the metallic character increases from left to right.​

Answers

Answered by sirianookhya2004
10

Answer:

1. false, newland stated law of octaves.

2. false, dobereiner stated law of triads.

3. true,A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction.

4.true, antioxidants are used to store fat containing food items.

5. false ,it decreases from left to right.

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