Which property of metals makes them suitable for use in jewellery?
Important Questions on Metals and Non-metals
Name the colourless gas that evolves when potassium reacts with water. How will you test this gas?
What is malleability? Which of them shows the malleability-metal or non-metal?
A piece of magnesium is put in a test tube containing hydrochloric acid. Explain the chemical reaction.
Which metal is used to make foils for packaging of food? Explain
What do you understand by a displacement reaction? Give one example.
Non-metal oxides are acidic oxides. Explain this with an example.
The colour of silver nitrate solution changes when a copper rod is dipped in it. Explain with the help of the chemical reaction involved.
What happens when a metal placed above hydrogen in the reactivity series reacts with dilute acid? Explain this with the help of an example.
