Explanation

According to Valence Shell Electron Pair Repulsion (VSEPR) theory, XeF₄ (xenon tetrafluoride) has a square planar geometry.

Xenon in XeF₄ has six electron pairs around it: four bonding pairs and two lone pairs.

Explanation

Sucrose is the chemical name for the type of sugar found in sugarcane.

It is a disaccharide composed of glucose and fructose.

Sucrose is widely used as a sweetener in food and beverages

And is extracted from sugarcane and sugar beets for commercial use.

Explanation

A rain gauge is a meteorological instrument to measure the precipitating rain in a given amount of time per unit area.

The instrument consists of a collection container that is placed in an open area.

Explanation

Sodium benzoate is a commonly used food preservative

That helps prevent the growth of bacteria, yeast, and molds.

It is often used in acidic foods and beverages, such as carbonated drinks and pickles

Explanation

The approximate value of the speed of sound in air at 0°C is 332 m/s.

This value is based on standard atmospheric conditions

They vary slightly with changes in temperature and pressure.

Explanation

Restriction enzymes are molecular scissors that cut DNA at specific sequences, a critical tool in molecular biology for gene cloning and DNA manipulation.

Explanation

Explanation

A man should take (3.7 liters) a day, this includes fluids from water, beverages like teas and juice, and from food.

Explanation

B vitamins are a group of water-soluble vitamins.

Explanation

The human body's system of blood circulation was discovered by William Harvey.

He was an English physician.

He discovered the Circulatory System in 1628.

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