BASIC ELECTRONICS - Quiz

1) Which item is having Lactic acid?

Lemon Guava Apple Yogurt

2) Which colour is indicated with pH value of 7 in universal indicator?

Pink colour Red colour Yellow colour Green colour

3) What is the property of common salt?

Basic Iodine Askaline Neutral

4) Which colour litmus paper shows in acids?

Violet Green Red Blue

5) Which process is used to deposit one metal over another metal?

Carbon plating Amalgamising Electroplating Cathodic Protection