Chemistry Fill in the blanks Set 20

Chemistry Fill in the blanks Set 20

1. Cathode rays originate from the ________
Ans: cathode
 
2. The nature of the cathode rays does not depend on the nature of the _______ inside the discharge table.
Ans: gas
 
3.The presence of positive charged particles in the atoms has been predicted by _______
Ans: Goldstein
 
4. Each proton is produced when one ______ is removed from one hydrogen atom.
Ans: electron
 
5. The properties of ______ rays depend upon the nature of gas taken in the discharge tube.
Ans: anode
 
6. The relative charge of a proton is _______
Ans: positive
 
7. ______ can be defined as hydrogen ion(H+)
Ans: proton
 
8. According to the law of conservation of mass, __________ is neither created nor destroyed during physical or chemical change.
Ans: mass
 
9. On rubbing two objects together, they become electrically_____
Ans: charged
 
10. When invisible radiation falls on materials like zinc sulphide, they will emit ________light.
Ans: visible