The atomic mass of an element expressed in gram is:

Which of the following can be separated by physical means?

The molar mass of H2SO4 is:

The Molecule consist of two atoms is:

A formula that indicates actual number and type of atoms in a molecule is called:

Ethyl alcohol was prepared by:

which of the following is a homoatomic:

The Empirical formula of hydrogen peroxide is:

A piece of matter in pure form is termed as:

The word science comes from the word "Scientia" which is:

The Latin word "Scientia" means:

In universal sciences chemistry purely deals with the:

Matter has:

In nature, the matter changing:

He proposed the idea of the atom.

He invented experimental methods of nitric acid, hydrochloric acid, and white lead.

He found the methods of extraction of metals from their ores and dyeing clothes.

Densities of different substances was determined by:

This Muslim scientist contributed to medicines, philosophy, and astronomy.

The gaseous law was discovered by:

Oxygen, Sulphur dioxide, and hydrogen chloride were discovered by:

Chlorine was discovered by:

Hydrogen was discovered by:

A French chemist discovered that oxygen is one-fifth of air.

Atomic theory of matter was proposed by the English scientist:

He discovered that water is composed of two parts hydrogen and one part oxygen by volume.

"Equal volumes of gases under constant temperature and pressure contain the equal number of molecules", is known as:

Gaseous law was described by a French scientist:

Symbols, formula, and chemical equation were introduced by:

This Russian chemist discovered the periodic arrangement of elements.

Acid Base Theory and ions dissociation were proposed by:

He contributed to the study of electromagnetism and electrochemistry.

The electron was discovered by:

This British scientist proposed a theory for the hydrogen atom based on quantum theory.

The nuclear structure of the atom was postulated by:

He discovered alpha and beta rays and proposed the laws of radioactive decay.

Quantum mechanical model of the atom was proposed by:

The hypothesis about wave-particle duality nature of electron was proposed by:

Fourth state of matter was proposed by:

Alloy of Cu - Sn is called

matter was proposed by:

Alloy of Cu - Sn is called

Which one is Alloy.

Value of 1 Faraday is equal to:

Which one is non electrolyte.

Which one is oxidizing agent.

Which one forms weak electrolyte solution with water:

In Daniel cell ____ is used as cathode.

1 g equivalent weight of Al is equal to:

Which one is correct statement.

Electrochemistry deals with the conversion of:

From a chemical substance, oxidation may involve:

From a chemical substance, reduction may involve:

The electrochemical reaction in which atom, molecule or ion loses electrons is called:

An alloy is the homogeneous mixture of:

A saturated solution of KCl on heating becomes:

If we dissolve sand into the water, then the mixture is said to be:

Solubility is usually expressed in grams of the solute dissolved in ________gram of a solvent.

Example of heterogeneous mixture is:

2 moles of sodium chloride (NaCl) is equal to:

Molarity of a solution which is prepared by dissolving 40 g sodium chloride in 500 cm3 of solution is:

10% (w/w) sugar solution mean that 10 grams of solute dissolved in:

An example of true solution is:

Which solution contain more water:

When a saturated solution is diluted, it change into:

Butter is example of solution:

A solution that contain solid solute into liquid solvent is called:

What is the particle size in suspension?

Which of the following statements is true?

Glass of milk, blood and tap water are the examples of:

The nutrient absorbed by plants from the soil is the example of the:

Brass is an example of:

Brass is:

In aqueous solution, water is present in greater amount and termed as:

The component of a solution which is always present in smaller amount is called the:

The component of the solution which is present in larger amount is called:

It is also called as the universal solvent.

A solution that cannot dissolve more solute in it at a particular temperature is called a:

Petroleum is mostly made up of:

Petroleum is a liquid that is _____ than water yet _____ in it.

The term "petroleum" refers to:

Sugar crystals are separated in:

The preparation of sugar from sugarcane is composed of ____ steps.

They help in removing grease and dirt from the skin.

It causes saponification and is an essential ingredient in soap making.

It is mild, moisturizing and gives a low creamy lather:

The use of sodium hydroxide produced a:

Animal fats or vegetable oils are the most common sources of:

Kc = :

It is the single factor affecting the equilibrium constant's value.

The rate at which a substance reacts is directly proportional to its:

A reaction which is never goes to completion is known as reversible reaction. Reversible reaction is represented by:

Based on periodic Law a periodic table developed in which vertical columns are called:

In 1869, this German scientist published a periodic table in which 56 elements were arranged in 9 vertical columns or groups based on atomic masses.

Uranium, Radium and Polonium are:

Mass number represented by:

The total sum of proton and neutrons in the nucleus of an atom is called:

Atomic number of Carbon (C) is 6. Each carbon atom has:

Different elements have different atomic numbers because of different number of:

Which one of the following has a negative charge?

Cathode rays consist of fast moving:

Which particle is the lightest in the following?

The third subatomic particle, neutron, was revealed by:

This English chemist suggested the fundamental atomic theory.

Democritus belief that all matter consists of very small indivisible particles which are known as:

The word atom is derived from a word ATOMOS, which was first described by Greek philosopher:

Which rays are used for sterilization of medical instruments:

Name the material of screen which used in Rutherford atomic model:

Electronic configuration is distribution of:

The isotope C-12 is present in abundance of:

If nucleon number of potassium is 39, number of neutrons will be:

If proton number is 19, electron configuration will be:

Halogen belongs to group:

It is essential for healthy teeth and bones.

It is used in flares and photographic flash bulbs.

The lightest metal is:

The most reactive metal is:

Elements of group IA are called:

All B group elements are metals and known as: