Explanation

Explanation

 The dimensions of Planck's constant are the same as those of angular momentum. 

Planck's constant (h) is a fundamental constant in quantum mechanics

It relates the energy (E) of a photon to its frequency (ν) through the equation E = hν.

The dimensions of Planck's constant can be derived from this relationship,

And they are found to be the same as those of angular momentum

Explanation

Generally At is used before the time.

He will join us at 6'o clock. 

Explanation

The Sabatier-Senderens reaction is a hydrogenation reaction, meaning it adds hydrogen to unsaturated hydrocarbons (alkenes and alkynes) to convert them into saturated hydrocarbons (alkanes). 

Explanation

When an alcohol reacts with an alkyl magnesium halide (Grignard reagent), the product is an alkane.

The Grignard reagent acts as a strong base, removing the acidic hydrogen from the alcohol's hydroxyl group (-OH) and forming a new carbon-hydrogen (C-H) bond, thus creating an alkane.

The other product is a magnesium alkoxide salt. 

Explanation

Explanation

Realizes (خزانہ)

In "Visit to a Small Planet" by Gore Vidal, the character Kreton says that he "picks up things."

This indicates that he absorbs or learns information quickly, implying he can understand or acquire knowledge about his surroundings.

Explanation

The most abundant carbohydrate in nature is cellulose

It is a structural polysaccharide that forms the cell walls of plants and is found in vast quantities throughout the plant kingdom. 

Explanation

The iodoform test is a chemical reaction used to identify the presence of a methyl ketone group (CH3-CO-) in a compound.

When a methyl ketone reacts with iodine and sodium hydroxide, it produces a yellow precipitate of iodoform.

This makes the iodoform test a reliable way to detect methyl ketones.

Explanation

The aromatization of n-heptane primarily yields toluene.

This process involves the dehydrogenation and cyclization of n-heptane, facilitated by catalysts like Cr2O3/Al2O3 at elevated temperatures, forming a benzene ring with a methyl substituent.