Question

ventilation in room is due to __
(a) conduction
(b) convection
(c) radiation
(d) all of these
which of the following is a good conductor of heat?
(a) rubber
(b) wood
(c) iron
(d) plastic
if the given solution does not change the colour of litmus paper, it is_____
(a) an acid
(b) a base
(c) a neutral
(d) none of these
An acid reacts with a base to produce___
(a) acid
(b) base
(c) salt
(d) salt and water
fruits such as oranges, lemons, etc.contain__________ acid.
(a) citric
(b) lactric
(c) ascorbic
(d) acetic
reply soon
frnds

Answer 1

1 =b

2=c

3=d

4=a

Plz mark me as brainliest

Answer 2

Fill in the blanks involve filling of the blank spaces with words to make a meaningful sentence.

• The correct fill in the blanks are -

1. Ventilation in room is due to convection

2. Iron is a good conductor of heat

3.if the given solution does not change the colour of litmus paper, it is a neutral solution.

4. An acid reacts with a base to produce salt and water.

5. fruits such as oranges, lemons, etc.contain citric acid.