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TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
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Published on: 05/12/2020
10th Standard Science Periodic Classification of Elements English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 10th 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.
Slag is.
Metal + Ore
Ore + Gangue
Flux + Gangue
Ore + Flux
2.
3.
Which among the following are periodic properties.
Ionisation energy
atomic radius
electronegativity
all the above
4.
Potassium belongs to ________ period
First
Second
Third
Fourth
5.
The number of neutrons in 8O16 is ________
8
16
32
24
6.
Among the halogens which one is most electro-negative?
Iodine
Chlorine
Bromine
Fluorine
7.
8.
The process of coating the surface of metal with a thin layer of zinc is called______.
painting
thinning
galvanization
electroplating
9.
Chemical formula of rust is ________.
FeO.xH2O
FeO4.xH2O
Fe2O3.xH2O
FeO
10.
The basis of modern periodic law is__________.
atomic number
atomic mass
isotopic mass
number of neutrons
1.
(c)
Flux + Gangue
2.
(d)
3.
(d)
all the above
4.
(d)
Fourth
5.
(a)
8
6.
(d)
Fluorine
7.
(b)
8.
(c)
galvanization
9.
(c)
Fe2O3.xH2O
10.
(a)
atomic number
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
