What quantity of copper(II) oxide will react 2.80litre of hydrogen at NTP

What type of oxide is copper oxide?

What volume of N_(2) gas will react with 11.2 litres of hydrogen to form ammonia at STP?

What volume of N_(2) gas will react with 11.2 litres of hydrogen to form ammonia at STP?

Write the formula of Copper(II) oxide.

0.376 g of aluminium reacted with an acid to displace 0·468 litre of hydrogen at NTP. Find the equivalent volume of hydrogen if the equivalent weight of Al is 9.

What happens when copper oxide reacts with dilute hydrochloric acid?