Metals and Non metals
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Question 1 of 5
1. Question
Which of the following are correctly matched?
1. Metals ————————————————————————– lead, arsenic.
2. Non-metals —————————————————————- carbon, sulphur.
3. Metalloids ——————————————————————– boron, silicon.CorrectIncorrect -
Question 2 of 5
2. Question
Which of the following is/are correct for metals?
1. They are solids.
2. They have metallic lustre.
3. They are hard except sodium and gallium.CorrectIncorrect -
Question 3 of 5
3. Question
Which of the following are correctly matched?
1. Graphite ——————————————————————– good conductor.
2. Caesium —————————————————————- high melting point.
3. Diamond —————————————————————- hardest substance.CorrectIncorrect -
Question 4 of 5
4. Question
The reaction Zine + copper sulphate solution \’zinc sulphate solution + copper\’ indicates that the metal which is placed lower in the reactivity series is :
CorrectIncorrect -
Question 5 of 5
5. Question
Which of the following are correctly matched?
1. Sulphur —————————————————— manufacture of gun powder.
2. Phosphorus ———————————————— manufacture of match sticks.
3. Oxygen ———————————————————- supporter of combustion.
4. Hydrogen ————————————————————- for sterilizing water.CorrectIncorrect