QUESTION ON MIX METAL

Try to attain on the any or every question. Click answer one button in front of your choice after click view answer. In a response to let you know if you have the  CORRECT  or  INCORRECT  will be highlighted in a same page. Do not forget to read the response. It is one of the challenges to help you learn the general knowledge.

1. Which of the following is in liquid form at room temperature-

Potassium Chloride

Sodium Bicarbonate

Francium

Lithium

2. Which of the following generally pollute the air of a big city-

Copper

Chromium

Cadmium

Lead

3. Amalgams are alloys containing-

Mercury

Carbons

Silver

None of this

4. Which of the following rays emit negatively charged particle-

Beta ray

Cathode ray

Gama ray

None of this

5. Which of the following rays emit positively charged particles-

Beta rey

Alpha ray

Gama ray

Cathode ray

6. Which of the following ray is an example of electromagnetic waves-

Ultrasonics

Beta rays

Alpha rays

X-ray

7. Rayon is prepared chemically by-

Ethylene

Propane

Cellulose

None of this

8. Polythene is industrially prepared by polumerization of -

Methane

Ethane

Propane

Ethylene

9. Glass is mixture of-

Quartz and Mica

Sand and Salt

Sand and Silicate

None of this

10. Rusting of iron the following is physical change-

Oxidation

Reduction

Decomposition

Sublimation

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