List of practice Questions

Which of the following allotrope forms of carbon is isomorphous with crystalline silicon ?
Which of the following allotropes is good conductor of electricity ?
Which of the following angle corresponds to $sp^{2}$ hybridisation?
Which of the following animals belongs to phylum coelenterata
Which of the following alkali metals when burnt in air forms a mixture of oxide as well as nitride ?
Which of the following alkyl halides will undergo $S_N1$ reaction most readily?
Which of the following alkynes can be identified and distinguished from the rest of the alkynes on reaction with ammoniacal silver nitrate to gave a white precipitate?
Which of the following alcohol is least soluble in water ?
Which of the following alcohols is dehydrated most easily with conc. $H_2SO_4$?
Which of the following alkali metal carbonates gives $CO_2$ on heating as well as on treating with acids ?
Which of the following act as photosensitizer during photosynthesis ?
Which of the following acts as a self-indicator?
Which of the fo llow in g statements regarding baculoviruses as biocontrol agents is/are correct?
Which noble gas is most soluble in water ?
Which nitrate will decompose to give $NO_2$ on heating?
Which of the aldehyde is most reactive?
Which of the carbonates given below is unstable in air and is kept in $CO_2$ atmosphere to avoid decomposition ?
Which method is not correctly given for refining of crude metals?
Which method is used for the purification of Bauxite ore ?
Which mineral nutrients are called critical element for crops?
Which molecule pair do not have identical structure
Which metal has the highest melting point ?
Which metal ion is a constituent of chlorophyll?
Which metal has the lowest melting point ?
Which method can be used for women that cannot produce ovum but can provide suitable environment?