0 of 8 Questions completed
Questions:
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 8 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Pos. | Name | Entered on | Points | Result |
---|---|---|---|---|
Table is loading | ||||
No data available | ||||
Which of the following are correctly matched?
1. Ductility ——————————————————————– drawn into wire.
2. Malleability ————————————————————- drawn into sheets.
3. Good conductors —————————————————- copper and mercury.
4. Non-metals —————————————————————– solids or gases.
Which of the following are correctly matched?
1. Mercury —————————————————— liquid at room temperature.
2. Iodine ————————————————————————– non-lustrous.
3. Lithium —————————————————————— low melting point.
4. Graphite ——————————————————————– good conductor.
Which of the following statements is/are correct for metals?
1. They react with oxygen to form metal oxides.
2. All metallic oxides are basic in nature.
3. Metals are reducing agents.
Which of the following statements is/are correct for anodising?
1. It is a process of forming a thick oxide layer of aluminium.
2. The aluminium oxide coat makes it resistant to further corrosion.
3. Its electrolysed with dilute hydrochloric acid.
Which of the following metals do/does not react with cold water?
1. Potassium
2. Sodium
3. Magnesium
4. Aluminium
Which of the following statements is/are correct for aqua regia?
1. It is a freshly prepared mixture of concentrated hydrochloric acid and
concentrated nitric acid.
2. Hydrochloric acid and nitric acid are in ratio 2:1.
3. It can dissolve gold.
What is/are true for ionic compounds?
1. They are solids.
2. They have low melting and boiling points.
3. They are soluble in water.
4. They are good conductors of electricity.
Which of the following are correctly matched for metals?
1. High reactivity ———————————————— electrolysis of molten ore.
2. Medium reactivity —————————————————————– roasting.
3. High reactivity —————————————————————— calcination.