Question

Please Solve It



$((1+i)x-2i)(3-i)$
​

Answer 1

Answer:

SteTomato is a natural source of _____________ acid.

2) Brine is an aqueous solution of______________.

3) Lime water reacts with chlorine to give______________.

4) _____________ is the fixed number of water molecules chemically attached  

to each formula unit of a salt in its crystalline form.

5) Use of mild base like ____________on the bee-stung area gives relief.

6) The compound which is obtained from baking soda and is used to remove  

permanent hardness of water is ______________.

7) Soluble bases are called _____________.

8) Zinc reacts with sodium hydroxide_____________.

Answer these questions:

1) What happens when a solution of an acid is mixed with a solution of a base  

in a test tube?

2) Write the chemical formula of hydrated copper sulphate and anhydrous  

copper sulphate.

3) Why cake or bread becomes soft & spongy on adding baking powder? Write  

chemical equation.

4) Write the balanced chemical equation of chlor-alkali process.

5) In the following list of acids, separate strong acids from weak acids.

Hydrochloric acid, citric acid, acetic acid, nitric aTomato is a natural source of _____________ acid.

2) Brine is an aqueous solution of______________.

3) Lime water reacts with chlorine to give______________.

4) _____________ is the fixed number of water molecules chemically attached  

to each formula unit of a salt in its crystalline form.

5) Use of mild base like ____________on the bee-stung area gives relief.

6) The compound which is obtained from baking soda and is used to remove  

permanent hardness of water is ______________.

7) Soluble bases are called _____________.

8) Zinc reacts with sodium hydroxide_____________.

Answer these questions:

1) What happens when a solution of an acid is mixed with a solution of a base  

in a test tube?

2) Write the chemical formula of hydrated copper sulphate and anhydrous  

copper sulphate.

3) Why cake or bread becomes soft & spongy on adding baking powder? Write  

hemical equation.

4sulphuric  

acid.

6) A white coloured powder is used by doctors for supporting fractured bones.

a) Write chemical name and formula of the powder.

b) When this white powder is mixed with water a hard solid mass is obtained.  

Write balanced chemical equation for the changep-by-step explanation: