Physics, asked by swtshreya8993, 6 months ago

7th physics physical and chemical changes lesson

Answers

Answered by Sнιναηι

Answer:

Explanation:

(d) Changes in which only physical properties of a substance change are called physical changes. (e) Changes in which new substances are formed are called chemical changes. 4. When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas.

Previous Question

Next Question

Similar questions

English, 2 months ago

Write 2 sentences with prepositions in it...

History, 2 months ago

5. The writing of Indian History was affected by a. Persians b. British C. Greeks d. Romans ...

Social Sciences, 2 months ago

IV. Write T for true and F for false. 1. The history of India was first written by an Indian. 2. It took about hundred years for British rule to get established in India. 3.Administrative records are sufficient to know about the colonial period. 4. survey records are not sufficient to know about the colonial period 5. periods that were distant and nearly forgotten are usually considered instead...

Art, 6 months ago

Bharat mein Hathon dwara kagaj Nirman ka varnan karo...

Math, 6 months ago

675 kaa sabse chhoti sankhya jisse purn ghan prapt ho...

Math, 11 months ago

A book has 92 pages.A page is chosen at random l.What is the probability that the sum of the digits in the page number is 9...

English, 11 months ago

She felt terrible about this tendency...

Math, 11 months ago

(root3-root2) whole square...