8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
Published on: 27/08/2019
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Download Tamil Nadu 8th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Decomposition of limestone is an example for chemical reaction based on __________
contact
electricity
light
heat
2.
Rusting of iron is a _________ change.
physical
chemical
physical and chemical
neutral
3.
______ metal undergoes rusting.
tin
sodium
copper
iron
4.
The burning of matchstick is an example for chemical reaction based on______
Contact in physical states
electricity
light
catalyst
5.
Burning of paper is a______ change.
Physical
chemical
physical & chemical
neutral
6.
The sides of the matchbox contains _________
7.
When quick lime comes in contact with When quick lime comes in contact with __________
8.
Iron objects undergo rusting when exposed to ______ and ______.
9.
Photosynthesis is a chemical reaction that takes place in presence of _________.
10.
Reactants → ______.
11.
Light energy may come out due to chemical reactions.
12.
CFC is a pollutant.
13.
Formation of slaked lime from quicklime is a endothermic reaction.
14.
Decomposition of lead nitrate is an example for a chemical reaction caused by light
15.
A chemical reaction is a temporary reaction.
16.
Land pollution
17.
Water pollution
18.
Thermolysis
19.
Electrolysis
20.
Rusting
1.
(d)
heat
2.
(b)
chemical
3.
(d)
iron
4.
(a)
Contact in physical states
5.
(b)
chemical
6.
( )
Red phosphorous
7.
( )
Slaked lime
8.
( )
Water and oxygen
9.
( )
sunlight
10.
( )
Products
11.
(a)
12.
(a)
13.
(b)
14.
(b)
15.
(b)
16.
Pesticides
17.
Detergents
18.
Decomposition of limestone
19.
Brine
20.
Iron
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
