Question

b. Write any one use of sulphur and copper each. [1+1=2 B. a. What effect do acid, base and salt have on different indicators? Show in table. 19 bondnoos of water collected from different​

Answer 1

Answer:

one use of sulfer :-making car batteries

one use of copper:- electrical wiring,

Blue litmus paper turns red if the substance is acidic. Red litmus paper turns blue if the substance is basic or alkaline. Litmus turns red in acidic solutions and blue in basic solutions.