Advertisements
Advertisements
प्रश्न
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
उत्तर
Brass is an alloy of copper and zinc .
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Write scientific reason.
Pine oil is used in froth flotation.
Give reasons for the following:
Most metals conduct electricity well.
Write the name.
Two highly reactive metals-
Write scientific reason.
Meena’s mother uses lemon or tamarind for cleaning copper vessels turned greenish.
Can you store pickle in an aluminium utensil? Give reason.
The most abundant metal in the earth’s crust is ____________.
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
