Question

FIND THE LEAST
7 digiT NUMBER THAT
is exactly
DIvisible bY

by 16, 18, 24 AND 30

VERY URGENT..​

Answer 1

Step-by-step explanation:

5-digit number that can exactly be divisible by 16, 18, 24, and 30? Divide 10000 by 720 to get 13.8. Multiply 720 by 14 to get your answer as 10080

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Answer 2

Answer:

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QUESTION

A metal ‘X’ acquires a green colour coating on its surface on exposure to air.

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ANSWERS"

_____________________

(i)Identify the metal ‘X’ and name the process responsible for this change.

Ans . metal 'X'is a copper.

______________________

(ii) Name and write chemical formula of the green coating formed on the metal.

Ans .This lead to corrosion of cu metal by formation of green coating.

______________________

(iii) List two important methods to prevent the process.

Ans. 1. we should apply grease on the surface of metal time to time.

2. we should apply paint on the surface of metal.

________________________

hope it helps you

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