Question

Exercise
3.
a.
C.
4.
1. Complete the statement by filling the
gaps using appropriate term from the
terms given in the bracket.
(slow, coloured, arrow, fast, smell,
milky, physical, product, chemical,
reactant, covalent, ionic, octet, duplet,
exchange, sharing, equality sign)
An
..... is drawn in between
the reactants and products while
writing the equation for a chemical
reaction.
b. Rusting of iron is a
chemical change.
The spoiling of food is a chemical
change which is recognized from the
generation of certain ..... due to
it.
d. A colourless solution of calcium
hydroxide in a test tube turns ..... on
blowing in it through a blow tube for
some time.
The white particles of baking soda
disappear when put in lemon juice.
This means that it is a .......... change.
f. Oxygen is a ................. in respiration.
g.
Sodium chloride is .... compound
while hydrogen chloride is
compound
h. Electron is complete in each
hydrogen in a hydrogn molecule.
i. Chlorine (C1,) molecule is formed by
of electrons between two
chlorine atoms.

......​

Answer 1

Answer:

yyyhghbbbbbbbvvvvbbbbbbbbbbbbbbbbbbb

Explanation:

hhhhbbbbbb

Answer 2

Tell me answers not please