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Recent activity in Class VII Science
+2
votes
4
answers
Name a chemical change which takes place in presence of: heat, Light and Electricity.
answered
Oct 3
in
Class VII Science
by
Aditya Mohanty
Basic
(
32
points)
physical and chemical changes
0
votes
2
answers
Explain why rusting of iron objects is faster in coastal areas than in deserts
answered
Sep 24
in
Class VII Science
by
Abhigyan Maurya
Basic
(
29
points)
chemical-changes physcial-and
+1
vote
2
answers
Describe how crystals of copper sulphate are prepared
answered
Sep 24
in
Class VII Science
by
Abhigyan Maurya
Basic
(
29
points)
chemical-changes physcial-and
+1
vote
2
answers
How would you show that setting of curd is a chemical change ?
answered
Sep 17
in
Class VII Science
by
Aashman
Basic
(
25
points)
chemical-changes physcial-and
0
votes
2
answers
Give four examples of non-metallic elements.
answered
Aug 16
in
Class VII Science
by
Hatshita
Basic
(
25
points)
elements compounds and mixtures
0
votes
0
answers
What is ph strip
asked
Aug 11
in
Class VII Science
by
Abhay awasthi
(
15
points)
acids bases and salts
0
votes
1
answer
Which test is mostly favoured for testing allergy prick test or blood test ? Why ?
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Name the two tests generally used to diagnose allergy and describe any one of them.
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
What are allergens?
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Name any three routes of which allergens normally enter in our body.
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Match the items given under column I with those given under column II.
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
How the allergy causing chemical is naturally removed from the body ?
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Name the inflammatory chemical released by the basophils causing skin reaction and construction of the bronchioles.
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Define the term “allergy”.
answered
Jun 22
in
Class VII Science
by
priya12
(
-12,638
points)
allergy
0
votes
1
answer
Compare the nervous system and the endocrine system.
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
0
votes
1
answer
Explain the structure of brain.
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
0
votes
1
answer
What are nerves?
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
0
votes
1
answer
Describe the two parts of the nervous system.
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
0
votes
1
answer
Define the following: Reflex arc
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
0
votes
1
answer
Find the odd-one out giving reasons: Axon
answered
Jun 22
in
Class VII Science
by
aditya23
(
-2,180
points)
nervous system
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