Notifications
Clear all
When carbon dioxide is passed through lime water, it turns milky due to the formation of .......... (b) The chemical name of baking soda is .........
Physical and Chemical Changes
1
Posts
2
Users
0
Likes
210
Views
0
09/07/2021 12:59 pm
Topic starter
Fill in the blanks in the following statements:
(a) When carbon dioxide is passed through lime water, it turns milky due to the formation of ..........
(b) The chemical name of baking soda is .........
(c) Two methods by which rusting of iron can be prevented are __________ and __________
(d) Changes in which only ____________ properties of a substance change are called physical changes.
(e) Changes in which new substances are formed are called _____________ changes.
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
09/07/2021 1:00 pm
(a) calcium carbonate
(b) sodium hydrogen carbonate
(c) painting or greasing, galvanisation
(d) physical
(e) chemical
Add a comment
Add a comment
Forum Jump:
Related Topics
-
Anaerobic bacteria digest animal waste and produce biogas (Change-A). The biogas is then burnt as fuel (Change-B).
3 years ago
-
The gas we use in the kitchen is called liquified petroleum gas (LPG). In the cylinder, it exists as a liquid.
3 years ago
-
Explain why rusting of iron objects is faster in coastal areas than in deserts.
3 years ago
-
Explain how painting an iron gate prevents it from rusting?
3 years ago
-
Describe how crystals of copper sulphate are prepared.
3 years ago
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 0 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed