Question

All hydrogen containing compound are not acid but acid contain hydrogen

Answer 1

hydrogen contained acids are called binary acids and the acids which as hydrogen element and other elements but except oygen are called Hydra acids and the acids contain oygen and other elements including hydrogen called oxyacids all acids doesn't contain hydrogens like BF3

Answer 2

hey,

acids are those compounds which produce hydrogen ion when dissolved in water. not all the hydrogen containing compounds do so, hence are not acids. but for giving hydrogen ion one must have hydrogen so second half of statement is true