Question

Fill in the blanks:-

1. Addition of hydrogen in a substance in a reaction is known as___________ reaction.

2. In a ________ reaction two or more substances combine to form a new single substance.

3. Unbalanced reactions are also known as _________

4. Reactions in which heat is given out along with the products are called _________- reactions.

5. Reactions in which energy is absorbed are known as _________ reactions.

6. When as element displaces another element from its compound, a ________ reaction occurs.

7. Those reactions, in which two compounds react by an exchange of ions to form two new compounds,

are called ________ reactions

8. Precipitation reactions produce __________ salts.

9. Reduction is the _________ of oxygen or gain of hydrogen.

10. The digestion of food in the body is an example of ____________ reaction.​

Answer 1

Answer:

ultra reaction, upper reaction, non balanced reaction

Answer 2

Answer:

1) Reduction reaction

2) Combination reaction

3) skeletal reactions

4) Exothermic reaction

5) Endothermic reaction

6) Displacement reaction

7) Double - Displacement reaction

8) calcium hydroxide.

9) loss

10) Decomposition reaction

Explanation:

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