Question

EXERCISE
Q.1. Fill in the Blanks:
1.( AL2O3, is the chemical formula of..................
2.) The substances produced in a chemical reaction are called..................
3.The reaction in which an acid combines with a base to form salt and water is called...................
4.) A dilute solution of copper sulphate can be changed to saturated solution by....................
(5.) A .................represent the name of an element.
7.an...............has similar kind of atoms.
7.) Heat is absorbed ............... reactions and evolved during...................reactions​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

1. aluminum oxide
2. aluminum and oxygen
3. solution