Chemistry, asked by himanshurathor80, 5 months ago

State the reason for the following: 5

(a) Aluminium oxide is called an amphoteric oxide.

(b) An iron strip dipped in a blue copper sulphate solution turns the blue solution pale green.

(c) Hydrogen gas is not evolved when most metals react with nitric acid.

(d) Calcium does not occur in free state in nature.

(e) Sodium or potassium metals are kept immersed under kerosene.

Answers

Answered by nayneshzaveri123456

1

Answer:

I don't know if you have any questions please feel to it

Explanation:

i don't know

Answered by mf302022

0

Answer:

Md jobayar hasan

Md jobayar hasan

Md jobayar hasan

Md jobayar hasan

Previous Question

Next Question

Similar questions

Science, 2 months ago

What is the full form of SONAR...

Math, 2 months ago

what is mean by brokerage?

Chemistry, 2 months ago

3. The number of optically active forms of the compound CH,CHBrCHBrCOOH is...

English, 5 months ago

Complete these sentences with an onomatopoeia As we walked through the forest, the leaves ________ in the wind. ANS...

English, 5 months ago

(6) Rewrite the following sentences, changing the verbs from the present tense to the past - 10x1=10 1. A dentist draws a tooth. 2.The snakes creeps into its hole. 3.She bears her sorrow bravely. 4.A storm sweeps across the sky 5. We bid him farewell. 6. They bind him hand and foot, and hold him fast. 7. The dog bites the wolf and clings to it with its teeth. 8. He deals fairly with all 9The...

Math, 11 months ago

12.State Fundamental Theorem of Arithmetic, 13. Express each number as a product of its Prime factors. 14. Terminating or non- terminating decimal expansion. 15. Degree of a polynomial & Zeros of a Polynomial. 16. Value of a Polynomial. 17.Standard form of a (i) Linear Polynomial (ii) Quadratic Polynomial (iii) Cubic Polynomial. 18. Standard form of a Linear Polynomial, Quadratic Polynomial...

English, 11 months ago

Write a report on a one week programme undertaken by yours school...

English, 11 months ago

lady lal open the brass carrier (voice change)...