NIOS TMA 2022 Chemistry_313 Question Paper with Their Answers

Online Nios Class 12th Solved Assignment 2021-22 Call/WhatsApp on 9643289714 

Download NIOS TMA 2022 Chemistry_313 Question Paper with Their Answers (Download Link). Nios 12th Solved TMA 2021-22. TMA Solution for April/October 2022 Examination.

NIOS Chemistry 313 Solved Assignment 12th English MediumNIOS TMA 2022 Chemistry_313 Question Paper with Their Answers. Chemistry (313) Tutor Marked Assignment 2021-22 Questions.

Note :
(i) All questions are compulsory. The Marks allotted for each question are given beside the questions.
(ii) Write your name, enrollment numbers, AI name and subject on the first page of the answer sheet.

1. Answer any one of the following questions in about 40-60 words.

(a) An element occurs in the bcc structure with cell edge 288 pm. The density of the element is 7.2 gm. How many atoms of the element does 208g of the element contain?

(b) Arrange the following in order of increasing for ionisation enthalpy. Testify your answer. B,C,N,O

2. Answer any one of the following questions in about 40-60 words.

(a) (i) Chlorine has more negative electron gain enthalpy as compared to fluorine. Why?

(ii) Nitrogen is a gas but phosphorous is solid Why?

(b) What happens when Borax (Na2B4O7.10H2O) is treated with Conc. H2SO4 Give Chemical reaction.

3. Answer any one of the following questions in about 40-60 words.

(a) What is role of MnO2 (Maganese dioxide) in the decomposition of KC1O3(Potassium chlorate)?

(b) What happen when NH3 is reacted with excess of Cl2. Give Chemical equation.

4. Answer any one of the following questions in about 100-150 words.

(a) Calculate the free energy change per mole for the following reactions.
(i) CaCO3(s) + CaO(s) + CO2(g) 298K ij
DH = 117.9 kJ, DS = 160.4JK–1
(ii) 2 NO2(g) + N2O4(g), 298K ij
DH = –57.2 KJ, DS = –175.6JK–1

(b) Explain the following.

(i) The reduction of a metal is easier if the metal is formed in liquid state at the temperature of reduction.

(ii) Pine oil is used in froth flotation process.

(iii) For the extraction of which metal cyanide process is used.

(iv) Which method is used for the extraction of highly reactive metals?

5. Answer any one of the following questions in about 100-150 words.

(a) Define Protein, Give one example of each.

(i) Regulatory Protein

(ii) Structural Protein

(iii) Transport Protein

(iv) Defence Protein

(b) (i) Is phenol is antiseptic or disinfectant. Explain

(ii) Give caution of usage of the following.

(a) Germicide

(b) Antacid

(c) Antipyretic

(d) Tranquilizers and hypnoties

6. Prepare any one project out of the given below:

(a) Make the two groups of students. One group belong to village students and other group belongs to urban city. Discuss environmental problem and answer the following?

(i) What is AQI (Air Quality Index)?

(ii) Which is more responsible for increase in AQI?

(iii) Why air quality is better in village as comparel to urban area?

(iv) What is the effects on the atmosphere if excess CO is present in atmosphere?

(v) Which gas is responsible for green house effect?

(vi) Which gases are responsible for acid rain?

(b) Make two groups of students and allow them to discuss the diseases caused due to deficiency of the various Vitamins. Answer the following.

(i) What is difference between hormone and Vitamins

(ii) Give one example of water soluble Vitamin.

(iii) Give one example of Fat soluble Vitamin.

(iv) Name the disease caused due to deficiency of Vitamin C.

(v) Name the disease caused due to deficiency of Vitamin A.

(vi) Name the disease caused due to deficiency of Vitamin B6

Note : Students who have chosen Gujarati, Bengali, Marathi, Hindi & Any other medium can also submit assignments in English or Hindi.

If you want above question solution the click on “Nios Solved Assignment 2021-2022“. NIOS TMA 2022 Question Paper with Their Answers Session 2021-22 (Chemistry -313).

Nios Solved Assignment | Nios Tutor Marked Assignment | Online Nios Solved Assignment 2022.

Salient Features: 

  • Nios Tutor Marked Assignment (TMA) 2021-22 Academic Session.
  • Applicable for March/April 2022 & October/November 2022 Examination.
  • Excellent NIOS TMA Reference Answer format.
  • Assignments are prepared by experienced teachers.
  • Solutions are accurate and to the point.
  • Answers are in English or Hindi Medium
  • Solved TMA files are in PDF format.
  • We guide to making good assignment file.
  • Best Assignment Answers.
  • All Assignments are in Computerized.
  • PDFs are Printable format.
  • After payment instantly downloaded form dashboard or Email.
  • Service All Over India & Other Country { Kingdom of Bahrain, Kuwait, Nepal, Qatar, Saudi Arabia, Sultanate of Oman, U.A.E}
  • If any problem faced in downloading, WhatsApp Payment receipt on 9643289714.

NIOS SOLVED ASSIGNMENT SOFT COPY (E-COPY)

STEPS FOR ONLINE ORDER

1: Visit https://www.pkkapri.com

2: Go NIOS Solved Assignment Select Nios Class 10th Solved Assignment/ Nios Class 12th Solved Assignment.

3: Choose Your Subjects & Medium (For Class 10th (Secondary):

Hindi, English, Sanskrit, Mathematics, Science and Technology, Social Science, Economics, Business Studies, Home Science. Psychology, Indian Culture and Heritage, Painting, Data Entry Operations, Accountancy etc.

For Class 12th (Sr. Secondary):

Hindi, English, Sanskrit, Mathematics, Physics, Chemistry, Biology, History, Geography, Political Science, Economics, Business Studies, Accountancy. Home Science, Psychology, Computer Science, Sociology, Painting, Environmental Science, Mass Communication, Data Entry Operations, Introduction to Law, Library and Information Science etc.)

5: Add To Basket OR View Cart >Proceed To Checkout

6: Fill Required Details & Place Order, File download link will appear after payment instantly & also a download link will be delivered to your entered Email- id during payment process.(Enter Email-id correctly).

Direct Download link : Nios Solved Assignment (NIOS TMA) 2021-2022 All Subjects For 10th & 12th Class CLICK HERE

We Also Provide Nios Online Admission Support & Nios Study Material Guide Books / Sample Papers, Nios Model Test Paper, Nios Practical Notes etc. For Any Inquiries Call : +91 9643289714, 9990177029.

Working Location: All India

New Delhi |Andhra Pradesh| Arunachal Pradesh| Assam| Bihar| Chhattisgarh| Goa| Gujarat| Haryana| Himachal Pradesh| Jammu and Kashmir| Jharkhand| Karnataka| Kerala| Madhya Pradesh| Maharashtra| Manipur| Meghalaya| Mizoram| Nagaland| Odisha| Punjab| Rajasthan| Sikkim| Tamil Nadu| Telangana| Tripura| Uttar Pradesh| Uttarakhand| West Bengal| Andaman and Nicobar Islands| Chandigarh| Dadra and Nagar Haveli| Daman and Diu| Delhi| Lakshadweep| Puducherry.

Please Visit Our Website : www.pkkapri.com , Our Blog – http://pkkapriandco.blogspot.in

Share this post


You've just added this product to the cart:

error: Content is protected !!