What is a compound?

What is the compound formed , when CO_2 is combined with haemoglobin ?

Acetaldehyde is reduced with hydrogen in the presence of Nickel. What is the compound formed.

In an organic compound containing C and H, the % C is 3 times to that of % H. What is the compound ?

Compound A, C_5H_(10)O , forms a phenyl hyrazone, given negative Tollen's and iodoform tests and is reduced to n - pentane. What is the compound , A ?

What is the compound formed when ethyl alcohol (Ethanol) is dehydrated ? Write the chemical equation of the reaction.

A halide of Be(X) sublimes on heating and is a bad conductor of electricity in molten state. From its aqueous solution it is diffucult to obtain anhydrous salt. This halide of berylium (X) is obtained by heating berylium oxide with carbon tetrachloride at 800^(@) C. This halide of berylium forms a complex of the M_(2)[BeX_(4)] What is the compound (X)

C_6H_5NH_2 overset(HNO_2,HCl,0^(@)C)(rarr) A overset("steam")(rarr)B(Zn,Delta)(rarr)C . What is compound 'C'?

What are compound oxides? Give an example.