9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 09/12/2020
9th Standard Science Applied Chemistry English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 9th 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.
Congo red is a __________.
Direct dye
Vat dye
Basic dye
add dye
2.
Paracetamol is an _____________.
Analgesics
Antipyretics
Antiseptic
Antimalarial
3.
Chloroform reacts with oxygen and forms this toxic substance, hence it is not used now
Carbonyl chloride
Carbon dioxide
Carbon monoxide
Carbon disulphide
4.
The source of drug of liquid paraffin is _____________.
Micro organism
Minerals
Plants
Animal
5.
Which of the following methods is suitable for preventing iron frying pan from rusting?
Applying grease
Applying paint
Applying coating of zinc
All the above
6.
Chlorinated hydrocarbons are used as
fertilizers
pesticides
food colourants
preservatives
7.
Radiochemistry deals with
oxidants
batteries
isotopes
nanoparticles
8.
Which of the following does not contain natural dyes?
Potato
Beetroot
Carrot
Turmeric
9.
The cathode of an electrochemical reaction involves ____________
oxidation
reduction
neutralisation
catenation
10.
The antibiotic Penicillin is obtained from ___________
plant
microorganism
animal
sunlight
1.
(a)
Direct dye
2.
(b)
Antipyretics
3.
(a)
Carbonyl chloride
4.
(b)
Minerals
5.
(c)
Applying coating of zinc
6.
(b)
pesticides
7.
(c)
isotopes
8.
(a)
Potato
9.
(b)
reduction
10.
(b)
microorganism
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
