Advertisements
Advertisements
प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Advertisements
उत्तर
Metals react with acids to produce hydrogen gas.
APPEARS IN
संबंधित प्रश्न
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Give reasons
Magnesium is used in fire works.
Fill in the blank
_______ is a soft metal.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
Tick (√) the most appropriate answer.
Graphite is used :
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
Give reasons for the following:
Most metals conduct electricity well.
The metals which are found in both free state as well as combined state are ______.
