Question

*Subject-Science*

Q1. Solve the following riddles :

(a) I turned red in acidic solution and blue in a basic solution. Who am I?

(b) I turn red in acidic solution and yellow in basic solution. Who am I?

(c) I turn colourless in acidic solution and pink in basic solution. Who am I?

(d) I am found at home and turn bright red when I come in contact with soap.Who am I?



Q2. Name the following:

(a) Name of the acid in an ant or a bee sting.

(b) Salts that do not contain water

(c) The name given to salts that are combined with molecules of water.

(d) A mixed salt.


Q3. Sometimes when you are eating food. You get choked and you start coughing.

(a) What do you think has happened?

(b) What type of first aid should be given to the person whose coughing does not stop? Explain the process briefly.




*Subject-English*

1. Write a short story on the basis of given moral :-

*Moral*:- Moral: Success depends on using your talents, not just having them.


2. Read any 3 stories and write any one review on it. It should consist of -

(i) About the author

(ii) Introduction of the story

(iii) Title

(iv) About the characters

(v) Moral







*SOCIAL STUDIES:*


a) Draw a flowchart diagram in your Social Studies note book showing types of resources present in the

nature.


b) Collect at least 20 newspaper clippings showing different types of resources and paste them in your notebook.




*COMPUTER*


1. Write a short note on the followings term-

(i) Hardware & Software

(ii) More on MS-Word, Power Point & MS-Excel.

(iii) Internet – Web Page, Website

(iv) Some Mathematical Functions in MS- Excel.

*Mathematics*

1. Write and learn formulae of chapter Profit and Loss & Compound Interest.

2. Evaluate:

(i) √33.64
(ii) √1.0816
(iii) √243/√363
(iv) 3√729

3. By using the formula, find the amount and compound interest on:
(i) ₹ 6000 for 2 years at 9% per annum compounded annually.

(ii
)₹ 10000 for 2 years at 11% per annum compounded annually.

(iii)₹ 31250 for 3 years at 8% per annum compounded annually.
​

Answer 1

Explanation:

1 a litmus

c phenolphthalein

d blue litmus