10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 3 - The Story of Mulan Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 2 - The Grumble Family Important Questions And Answers Study Material - QB365 Set A
Published on: 11/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
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.
1 mole of any substance contains __________ molecules
6.023 × 1023
6.023 × 10-23
3.0115 × 1023
12.046 × 1023
2.
In the nucleus of 20Ca40, there are
20 protons and 40 neutrons
20 protons and 20 neutrons
20 protons and 40 electrons
40 protons and 20 electrons
3.
Which of the following statement is incorrect?
12 gram of C – 12 contains Avogadro’s number of atoms.
One mole of oxygen gas contains Avogadro’s number of molecules
One mole of hydrogen gas contains Avogadro’s number of atoms
One mole of electrons stands for 6.023 × 1023 electrons.
4.
Mass of 1 mole of Nitrogen atom is
28 amu
14 amu
28 g
14 g
5.
Which of the following is a triatomic molecule?
Glucose
Helium
Carbon dioxide
Hydrogen
1.
(a)
6.023 × 1023
2.
(b)
20 protons and 20 neutrons
3.
(c)
One mole of hydrogen gas contains Avogadro’s number of atoms
4.
(d)
14 g
5.
(c)
Carbon dioxide
10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 2 - The Night the Ghost Got in Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 1 - The Tempest Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 1 - Life Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Prose - 1 - His First Flight Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
