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questions
List of practice Questions
All eukaryotic unicellular organisms belong to
Biology
biological classification
All genes located on the same chromosome
Biology
Principles of Inheritance and Variation
All living organisms are linked to one another because
Biology
Diversity In The Living World
All naturally occurring processes proceed spontaneously in a direction which leads to
Chemistry
Thermodynamics
All birds have
Biology
Kingdom Animalia
Alkali metals in each period have
Chemistry
GROUP 1 ELEMENTS
Alkaline earth metals form dipositive ions instead of unipositive ions because
Chemistry
GROUP 1 ELEMENTS
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
Chemistry
Alcohols, Phenols and Ethers
Alkyl halides are immiscible in water though they are polar because
Chemistry
Haloalkanes and Haloarenes
Algal blooms impart a distinct colour to water-due to
Biology
Environmental Issues
Alkali metal halides except Li are soluble in water showing that they are
Chemistry
GROUP 1 ELEMENTS
Alkali metals are not found in free state due to their highly reactive nature. This is due to
Chemistry
GROUP 1 ELEMENTS
Aldehydes other than formaldehyde react with Grignard reagent to give addition products which on hydrolysis give
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Aldol condensation will not be observed in
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Aleuroplasts, amyloplasts and elaioplasts
Biology
Cell: the unit of life
Alfred Wallace worked in
Biology
evolution
Alcohol fermentation is brought about by the action of
Chemistry
Alcohols, Phenols and Ethers
Alcohols of low molecular weight are
Chemistry
Alcohols, Phenols and Ethers
Alcohols reacts with Grignard reagent to form
Chemistry
Alcohols, Phenols and Ethers
Aldehydes can be distinguished from ketones byusing
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Air pollution is not caused by
Chemistry
Environmental Chemistry
$AlCl_3$
is a
Chemistry
p -Block Elements
$AlCl_3$
is covalent while
$AlF_3$
is ionic. This fact can be justified on the basis of
Chemistry
Chemical bonding and molecular structure
$ {AlCl3}$
on hydrolysis gives
Chemistry
p -Block Elements
Air bladder is present in
Biology
Kingdom Animalia
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