Molecules/ions and their magnetic properties are given below
Assertion : All molecules in a gas have same speed.
Reason : Gas contains of different size and shape
A pure crystalline substance, on being heated gradually, first forms a turbid looking liquid and then the turbidity completely dis..
Which one of the following Statements is not correct about the three states of matter i.e. solid, liquid and gaseous
Which one of the following is good conductor of electricity
The root mean square speeds at STP for the gases H2 , N2 ,O2 and HBr are in the order
Davy and Faraday proved that
At constant temperature,in a given mass of an ideal gas
A crystalline solid have
A compound is formed by elements A and B. This crystallises in the cubic structure where the A atoms are at the corners of the cub..
If the pressure and absolute temperature of 2 litres of CO2 are doubled, the volume of CO2 would become
Dulong and Petits law is valid only for
Which of the following relations for expressing volume of a sample is not correct
A solid compound contains X , Y and Z atoms in a cubic lattice with X atom occupying the corners. Y atoms in the body centred posi..
The 8 : 8 type of packing is present in
The temperature and pressure at which ice, liquid water and water vapour can exist together are
Which one of the following metal oxides is antiferromagnetic in nature
A crystalline solid
Pressure remaining the same, the volume of a given mass of an ideal gas increases for every degree centigrade rise in temperature ..
Quartz is are crystalline variety of
The number of carbon atoms per unit cell of diamond is
Crystalline solids are
Pressure of a gas in a vessel can be measured by
For orthombic system axial ratios are a#b#c and the axial angles are
The ability of a given substance to assume two or more crystalline structure is called
In a cubic structure of diamond which is made from X and Y, where X atoms are at the corners of the cube and Y at the face centres..
The substance which does not show sharp melting point is
Among solids the highest melting point is established by
A volume of 1 m3 is equal to
With which one of the following elements silicon should be doped so as to give p-type of semiconductor
Which of the following is ferroelectric compound
Which of the following statements is wrong for gases
Kinetic energy of molecules is highest in
Correct gas equation is
The lustre of a metal is due to
Which type of solid crystals will conduct heat and electricity
To get a n-type semiconductor, the impurity to be added to silicon should have which of the following number of valence electrons ..
In the solid state, MgO has the same structure as that of sodium chloride. The number of oxygens surrounding each magnesium in MgO..
Which of the following is true about gaseous state
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