The third abundant gas found in the earth's crust is_______

Which one is polyatomic molecule?

The molar mass of H₂S0₄ is__________

Value of Avogadro number is________

1-gram atom of carbon contains how many moles is_________

Brass is a mixture of___________

Mixture can be separated by method_________

In which one of the following pairs has the same number of ions?

Example of covalent compound is _________

Structure of atom is studied in which branch of chemistry?

Which type of molecular ions are present in plasma?

Quantum means_________

Who performed first experiment to split atom?

Rutherford used a gold foil in his experiment, which has a thickness of___________

Which isotope is used for diagnosis of goiter?

According to Rutherford’s atomic theory atom should produce_________

⁹₄Be + ⁴₂He ----> ¹²₆C+ ?

How many sub shells are there in first energy level or k shell?

John Dalton put forward his atomic theory in the beginning of________

When U-235 breaks up, it produces_________

Which radio isotope is used for the diagnosis of tumor in the body?

Mendeleev arranged elements in his periodic table on the basis of:

Element with Atomic no 58 to 71 are called:

Long form of periodic table is constructed on the bases of

The group-1 and group-2 and group-13 to group-17 contain the elements:

How many elements present in 2^nd & 3^rd Period?

When we move from top to bottom in a group atomic size is __________.

Elements of group 13 to 18 have their valence electrons in sub shell.

The elements or group 3 to 12 are called:

How many elements present in 6^th period?

The elements of a group show __________ properties:

Metals have the tendency to lose electrons due to ________

Epoxy adhesives are also known as_________

The density of water at 0°C  is_________

Epoxy adhesives are________

Which of the following is an electron deficient molecule?

The formation of ionic bond between two ions is due to ________

The melting point of NaCl is___________

Malleability is the property by virtue of which a metal can be drawn into________

Intermolecular forces are collectively known as__________

The electropositive elements have tendency to _________

Which of the following is an example of covalent compound?

Evaporation is the process ___________

When the pressure of 2atm is applied, the volume of the gas reduces:

Body Temperature is measured in __________

When the pressure is increased to 4atm, the volume of the gas reduces:

At 0°C temperature the vapour pressure of diethyl ether is __________

Density of oxygen gas at 20°C grade is ________

Transition Temperature of Phosphorous is ______

Density of Iron is ___________

Vapour pressure of liquid depends upon the factors__________

How many states of matter exist?

Air is a example of solution_____

One molar solution contains one mole of Solute in Solvent volume_____

Which one of the following will show negligible effect of temperature on its solubility?

Hydrogen absorbed in palladium is example of solution ___________

Alcohol in water is example of solution__________

Butter is example of solution_____________

If 10cm³ of alcohol is dissolved in 100g of water, it is called______

10% Mass/Volume Sugar solution contains 10g of sugar in solution _________

Example of solid in solid solution is__________

Which one of the following is a liquid in solid solution?

Which ionizes in small extent in water___________

Chemical formula of sodium hyposulphite is _____________

During the formation of water from hydrogen and oxygen, which of the: following does not occur?

Sodium hydroxide is manufactured in__________

During electrolysis of sodium chloride in aqueous state, which gas is evolved from the cathode electrode?

The substances which do not ionize in solution and do not allow to pass current through them are called________

Rusting occurs on___________

Cl₂ gas is formed, when Cl ions are_________

Oxidizing agent is a substance which___________

The branch of chemistry which deals with the relationship between electricity and chemical reactions.

Which one the following is the lightest and floats on water?

Which one of the following metals burn with a brick red flame when heated in air?

Which one of the following will not react with dilute HCI?

Group-17 elements are called___________

Platinum alloyed with which metal are used as catalyst in automobiles as catalytic convertor?

Boiling point of Sodium is___________

Density of sodium metal is_______

• 0.98 gcm^-3
• 1.74 gcm^-3
• 1.55 gcm^-3
• 1.60 gcm^-3

Which Option is Correct ?

Metals can form ions carrying charges____________

Nonmetals form________

The Elements in which d-orbital is in the process of filling constitute a group of metals called________

Which metal exists in liquid form at room temperature?