Advertisements
Advertisements
Question
With reference to the following metal state its use in daily life:
Magnesium
Advertisements
Solution
- It is used in fireworks as it burns with a dazzling light.
- Photography: Magnesium produces a bright flash. It is used in strip form.
APPEARS IN
RELATED QUESTIONS
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
State one use of the following metal:
Aluminium
Which property of ‘solder’ alloy makes it suitable for welding electrical wires?
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
Mention two uses of the following metals and non-metals
Aluminium
Give reasons
Graphite is used in the leads of pencils
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal:
Uses of aluminium
Write scientific reason.
Sodium is always kept in kerosene.
Give a reason why a green deposit is seen on the surface of an article of copper
Name the following:
The most reactive halogen.
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
The liquid metal at room temperature ______.
The metal can be cut with a knife ______.
The typical shine of metals is called ______.
Sodium is a hard metal.
Why do metals appear shiny?
Which metals are liquid at room temperature?
