What is barium nitrate + sodium chromate

This leads to the formation of barium chromate and sodium nitrate.

Explanation:

When barium nitrate reacts with sodium chromate, a yellow colored precipitate is formed which is known as barium chromate and also an aqueous solution of sodium nitrate is formed.

The chemical equation for the reaction of barium nitrate and sodium chromate follows:

This reaction is a type of double displacement reaction because here, exchange of ions takes place.

Hence, this leads to the formation of barium chromate and sodium nitrate.

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e