11th Standard Syllabus & Materials

11th Standard

TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard English Medium Chemistry Subject Gaseous State Creative 2 Mark Questions with Solution Part - I

Published on: 25/06/2021

QB365 provides detailed and simple solution for every
Creative Questions in class 11 Chemistry Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

Download Tamil Nadu 11th Standard Chemistry 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 Chemistry Test

QB365 Student Learing Managemnet System

Std: 11th Standard - Chemistry

chapter: - Creative Questions

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Generic 2

5 x 2 = 10

Deep sea divers ascend slowly and breath continuously by time they reach the surface. Give reason.

Define atmospheric pressure. What is its value?

Define pressure. Give its units.

Distinguish between a gas and a vapour.

Identify the elements that are in gaseous state under normal atmospheric conditions.

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Generic 2

5 x 2 = 10

(i) For every 10 m of depth, a diver experiences an additional 1 atm of pressure due to the weight of water surrounding him.
(ii) At 20 m, the diver experiences a total pressure on atm. So the most important rule in diving is never hold breath.
(iii) Divers must ascend slowly and breath continuously allowing the regulator to bring the air pressure in their lungs to 1 atm by the time they reach the surface.

(i) The pressure exerted on a unit area of Earth by the column of air above it is called atmospheric pressure.
(ii) The standard atmospheric pressure = 1 atm.
(iii) 1 atm = 760 mm Hg.

It is defined as the force per area (or) the force divided by the area to which the force is applied.
Unit: Nm^-2 (or) Kgm^-1S^-2

(i) Gas: A substance that is normally in a gaseous state at ordinary temperature and pressure.
e.g., Hydrogen.
(ii) Vapour: The gaseous form of any substance that is a liquid or solid at normal temperature and pressure.
e.g., At 298 K and 1 atm, water exist as water vapour.

(i) Hydrogen, nitrogen, oxygen, fluorine and chlorine exist as gaseous diatomic molecules.
(ii) Another form of oxygen namely ozone triatomic molecule exists as a gas at room temperature.
(iii) Noble gases namely helium, neon, argon, krypton, xenon and radon are monoatomic gases.