Concentrated sulfuric acid (H2SO4) is commonly used for dehydration of alcohols to form alkenes.

Thionyl chloride (SOCl2) is commonly used to convert alcohols to alkyl halides.

PCl5 is commonly used to convert alcohols to alkyl halides through a substitution reaction.

All of the above reagents can reduce an aldehyde to a primary alcohol.

Water (H2O) in the presence of an acid catalyst can convert an alkene to an alcohol through hydration.

H2 in the presence of Lindlar's catalyst is used to convert an alkyne to a cis-alkene.

An acid chloride is used to convert an amine to an amide through acylation.

Sodium hydroxide is commonly used to convert haloalkanes to alcohols through nucleophilic substitution.

Sodium phenoxide reacts with alkyl halides to form phenyl ethers in a nucleophilic substitution reaction.

All of the mentioned reagents can be used to distinguish between aldehydes and ketones, as aldehydes reduce these reagents while ketones do not.

Both bromine water and potassium permanganate can be used to test for alkenes, as they react with the double bond.

Raja Ram Mohan Roy is known for his efforts in promoting modern education and social reforms in 19th century India.

Gas exchange occurs in the alveoli, where oxygen is absorbed into the blood and carbon dioxide is released from the blood.

'Liberty, Equality, Fraternity' is the famous slogan of the French Revolution, symbolizing its core ideals.

The Kosi River is known as the 'Sorrow of Bihar' due to its frequent flooding.

The Nile River is traditionally considered the longest river in the world, flowing through northeastern Africa.

The longest river in the world is the Nile.

Chandragupta II, also known as Vikramaditya, is celebrated for his patronage of arts and literature during the Gupta Empire.

Rubidium (Rb) has the highest atomic radius among the given s-block elements.

Lithium is used in fireworks to produce a bright red color.

The Seventh Schedule of the Indian Constitution contains the list of subjects on which the State legislatures can make laws.

The Pradhan Mantri Kisan Samman Nidhi (PM-KISAN) scheme provides direct income support to small and marginal farmers.

The Pradhan Mantri Jan Arogya Yojana (PMJAY) aims to provide health insurance to economically vulnerable families.

The Skill India initiative aims to provide skill development to the youth, enhancing their employability.

The National Old Age Pension Scheme provides financial assistance to elderly individuals.

Ayushman Bharat provides health insurance coverage to economically vulnerable families.

The National Rural Livelihood Mission aims to empower women through self-help groups.

The Pradhan Mantri Fasal Bima Yojana provides financial assistance to small and marginal farmers for crop insurance.

Ayushman Bharat provides health insurance coverage to economically weaker sections of society, ensuring access to quality healthcare.

The National Solar Mission was introduced to promote the use of renewable energy sources, particularly solar energy.