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संबंधित प्रश्न
Which of the following can be beaten into thin sheets?
Why are metals used for making cooking vessels?
Give the name and formulae of two basic oxides.
Name the non-metal which is used to preserve food materials.
Name the non-metal which is used in the vulcanisation of rubber.
Name two metals which are both malleable and ductile.
Which of the following are amphoteric oxides:
MgO, ZnO, P2O3, Al2O3, NO2
State one use of Nitrogen.
Which of the following alloys contains a non-metal as one of the constituents?
(a) brass
(b) amalgam
(c) steel
(d) bronze
Name a non-metal that is used for filling into electric bulbs
Name the metals present in the following alloys
Brass
Statements given below are incorrect. Write the correct statements :
Chlorine gas is used in the manufacture of sulphuric acid.
Name:
the compound responsible for green deposit on the surface of copper
Give a short account of heating effect on metal carbonates based on the activity series ?
In which of the following industries, microbial enzymes are not used?
a) Glass industry.
b) Cheese industry
c) Tanning industry.
d) Paper industry.
Which metal occurs as a halide also gives the name of their respective ore.
Which metal occurs as a carbonate also gives the name of their respective ore.
Select the appropriate option for the following statement:
The element from the halogen family which is most abundant
The non-metal which conducts electric current is
The non – metal which is liquid at room temperature is ______.
