Barium chloride reacts with sodium sulphate solution to form :
Sodium thiosulphate
Barium sulphate
Sulphur dioxide
Hydrogen sulphide
Anode rays are found to be a stream of :
Protons
Electrons
Neutrons
Neutrinos
Negatively charged particles are:
Positrons
According to ____________ matter is made up of small, indivisible particles called atoms.
Newton
Lavoisier
Dalton
Proust
Identify the wrong statement regarding the properties of cathode rays ?
Cathode rays are deflected towards the negatively charged plate.
Cathode rays are deflected perpendicular to the applied magnetic field when it passed through a magnetic field.
Cathode rays are made up of small particles.
Cathode rays travel in straight line.
The scientist who discovered portons
Rutherford
Goldstein
Bohar
None of them
Which one of the following is a wrong statement regarding to the postulates of Thomson's atom model ?
Atom consists of a positively charged sphere.
Electrons are uniformly distributed in that sphere.
Atom as a whole is electrically neutral.
The positive and negative charges are different in magnitude.
The properties of ____________ rays depends upon the nature of the gas taken in the discharge tube.
Cathode
Anode
Cosmic rays
U.V.
Who proposed first the word 'electron' for atom of electricity ?
J.J. Thomson
William Crooke
Stoney
Which one of the following is a wrong statement regarding the postulates of Dalton's atomic theory ?
Matter is made up of small indivisible particles called atom.
Atoms of same element are different in all respects.
Atoms of different elements are different in all respects.
Atom is the smallest particle that takes part in a chemical reaction.
