On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue green. Write the new compound formed.

When dilute hydrochloric acid is added to iron fillings

Ice cold hydrochloric acid is added to dimethyl ether. The product formed is

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

When water is added to magnesium oxide (ash), the substance formed is:

On the addition of mineral acid to an aqueous solution of borax, the compound formed is

Copper reacts with ________and forms blue green layer.

A compound of calcium reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle, turns lime water milky. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

What happens when dilute hydrochloric acid is added to iron fillings? Tick the correct answer.

Most acidic oxide in the periodic table is formed by an element in

Padma took a little sodium hydroxide in a beaker and dipped a red litmus paper into it. She observed red litmus paper turned blue. She took dilute hydrochloric acid in the same beaker and dipped a blue litmus paper into it. The blue litmus paper did not turn red. Why ?