Advertisements
Advertisements
प्रश्न
State the position of the following in the periodic table:
Aluminium
उत्तर
It is placed in the IIIA group and is present on the right of the periodic table.
APPEARS IN
संबंधित प्रश्न
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
How are the properties of an alloy different from those of the constitutent elements?
State two important uses of following metal
Uses of copper
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
What is it made from? Why?
Electric cables
Match the columns.
Group A | Group B |
1) Copper and Zinc | a) Brass |
2) Copper and Tin | b) Bronze |
c) Stainless steel |
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
Complete the following flowchart.
Which of the following two combinations are correct?
Metal | Gas Evolved | |
(i) | Copper | Yes |
(ii) | Iron | Yes |
(iii) | Magnesium | No |
(iv) | Zinc | Yes |
Which metals are liquid at room temperature?