List of practice Questions

Alnico is used for making permanent magnets because it has

Along a streamline

Alpha diversity is biodiversity present

$\alpha$-rays are

All the letters of the word are arranged in different possible ways. The number of such arrangements in which no two vowels are adjacent to each other is

All the xylem elements, when mature, are dead except

Allergens are

Allyl isocyanide contains $\sigma$ and $\pi$ bonds

All of the following give orthoboric acid except

All ores are minerals, while all minerals are not ores because

All the halogens are coloured due to

All eukaryotic unicellular organisms belong to

All genes located on the same chromosome

All living organisms are linked to one another because

All naturally occurring processes proceed spontaneously in a direction which leads to

All birds have

Alkali metals in each period have

Alkaline earth metals form dipositive ions instead of unipositive ions because

Alkyl chloride is formed when alcohol is treated with cone. HCI in the presence of anhydrous $ZnCI_2$. The order of reactivity with respect to alcohol is

Alkyl halides are immiscible in water though they are polar because

Algal blooms impart a distinct colour to water-due to

Alkali metal halides except Li are soluble in water showing that they are

Alkali metals are not found in free state due to their highly reactive nature. This is due to

Aldehydes other than formaldehyde react with Grignard reagent to give addition products which on hydrolysis give

Aldol condensation will not be observed in