Question

Kunal is a student of class 9th. His brother Piyush studies in class 8. One

day they were playing just outside the house. Piyush had a balloon in his

hands. He Inflated the balloon by filling air a into it. He did not tie the

mouth of this air filled balloon with thread. Piyush just held the mouth of

the inflated balloon tightly in the downward direction (towards the

ground) and released it. When the inflated balloon was released with its

mouth in the downward direction then the balloon moved upward on its

own. Kunal was observing this incident very carefully he explained the

principle of balloon moving upward to his younger brother.

Q 14.1Name the principle on which the above device works. [1]

Q14.2 Which of the Newton's law is involved in the working of the above

device? [1]

Q 14.3 Name another device which also works on the same principle as

this device. [1]

Q14.4 What value is displayed by Kunal in this episode? ​

Answer 1

Answer:

I'd

Explanation:

Directions: Enumerate at least three tools, appliances in equipment you have a poem and share how you disinfect each.

Example:

Tools/Equipment:

Mixing Bowl (Glass)

Disinfectants used:

2 R chlorine bleach/gallon of hot water.

Follow the example:

1.

2.

3.

kindly don't spam!!

don't use ggle!!We cats are going to take over this world meow meow!!solid zinc carbonate dissociates into solid zinc oxide and gas 'G' on heating. the same gas is released when

(1) hydrogen reacts with chlorine

(2) magnesium reacts with hydrochloric acid

(3) lead oxide reacts with carbon

(4) copper oxide reacts with hydrogen

Sorry I don't know