Question

help me with my homework please I will mark you as brainleist.​

Answer 1

Answer:

do one thing post the question one by one separately then I will answer in this I am not getting the question clearly

Answer 2

1. a transition metal used for making jewellery and open use a catalyst as it is so unreactive?

answer : Gold is unreactive and used for making jewellery.

2. when this metal has carbon and its it is Steel?

answer : when iron is added with carbon its make Steel.

3. this device is used to change sound energy into electrical energy?

answer : Microphone

4. which device is used to increase the volume of output by sound system?

answer : Amplifier

5. the electricity which we use in our homes ...... supply

answer : 220 volt or Alternate charge

6. electricity is made up of flow of these particles what are they called?

answer : electric charges

7. distance ÷ time ??

answer : speed

8. a magnet has two poles one south and ..........?

answer : North

9.the device is used to measure temperature?

answer: Thermometer

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