Question

A substance which gives brick red flame and breaks down
on heating to give oxygen and a brown gas is
(a) magnesium nitrate (b) calcium nitrate
(c) barium nitrate (d) strontium nitrate

Answer 1

Answer:

calcium nitrate answer bro

Answer 2

Calcium nitrate is the substance which gives b grade freeman brakes down on heating to give oxygen and brown gas.

Option: (b)

Explanation:

• When calcium oxide is heated It Breaks down to form Oxygen and Nitrogen dioxide. Nitrogen dioxide is a a brown gas.

• The film colour which is produced by a chemical substance is useful in identification of an unknown sample.

• All the compounds of calcium when introduced in a splinter which is burning gives red colour to the flame.

• Hence the cation is of the calcium ion and the anion is of the nitrate ion. The compound is calcium nitrate.

To know more about calcium nitrate,

differentiate between calcium nitrate and potassium nitrate using chemical means. Brainly.in

https://brainly.in/question/6915283