Which of the following elements form an ionic chloride?
The bond between two iodide molecules is
Bonds between a highly electronegative atom and a hydrogen from another molecule is called
Which law is obeyed when 1 volume of hydrogen reacts with 1 volume of Chlorine to form 2 volumes of Hydrogen chloride?
If the volume of a given mass of gas at 0*C is 27.3cm3. what will be the volume of the gas at 100*C, pressure remaining constant.
What is the value of X in this equation? 2H2S + SO2 >> 2H2O + XS
If the atomic number of an element X is 11 and that of Oxygen is 8, the most likely formula of the Oxide of X is
Ideal gas equation is given by
What is the value of -14 degrees on Kelvin temperature scale?
In a mixture of gases which do not react chemically together, the pressure exert by individual gases is called
A sample of gas exerts a pressure of 8.2atm when confined in a 2.93dm3 at 20*C. The amount of gas in moles is. ( R=0.082atmdm3k-1)
If 375cm3 of a gas has a pressure of 770mmHg. Find it's volume when the pressure was reduced to 750mmHg, temperature remaining constant.
The combing power of calcium is
Which of the following is a metalloid?
Which of the following is a mixture?
An element has mass number of 19. Find the number of proton, if the neutron is 10
When a solid changes to gas directly, this process is called
Which of the following is not a stable element
Kinetic theory of matter postulates that
Metals and non-metals combine to give electronic configuration of
