Question

0.1. (A) Choose the correct alternative:
(1) This inert gas is used in advertising signs. It glows when electricity is passed through it.
(d) Xenon
(m) Krypton
(b) Helium
(c) Neon
(2) Formation of ice from water is an example of ....
(a) Exothermic reaction
(b) Endothermic reaction
(c) Double displacement reaction
(d) Displacement reaction
he year 1831, this great scientist showed that an electric current can be produced in a
conductor with the help of a moving magnet ........
(a) Galileo
(d) Dmitri Mendeleev
(b) Michael Faraday (c) Isaac Newton
(4) In the Modern Periodic Table, there are vertical columns called as ......
(a) Rows
(b) Lines
(c) Periods
(d) Groups
(5) Concentration of bauxite, the aluminium ore is done by..................... method where the ore is
soaked with aqueous NaOH solution.
(a) Leaching
(b) Wilfley table
(c) Magnetic separation
(d) Hydraulic separation
​

Answer 1

Answer:

Neon lights lights off to do that is not sure

Answer 2

Answer:

1.neon,

2.b

3.b

4.c

5. i don't know sorry