Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Give an example of a metal which can be easily cut with a knife.
Choose the correct answer from the options given below :
The two main metals in Bronze are:
(A) Copper and zinc
(B) Copper and lead
(C) Copper and nickel
(D) Copper and tin
Name the non-metal which is used as a rocket fuel (in liquid form).
Which property of iron metal is utilised in producing iron sheets required fro making buckets?
State one use of Nitrogen.
Name the metal which is used in making thermometers.
Name two physical properties of carbon in which it's behaviour is not as expected from it's classification as non-metal.
Name a metal used in making electric cables
Name a non-metal that is liquid at room temperature
Fill in the blank:
A metal stored in kerosene oil is _______
`Na _____ → Na^+`
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Acidic oxide ………………
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Neutral oxide ……………..
Name:
a non metal which is lustrous
Identify the odd term.
From the list of characteristics given below, select the five which are relevant to non-metals and their compounds:
- Ductile
- Conduct electricity
- Brittle
- Acidic Oxides
- Basic Oxides
- Discharged at anode
- Discharged at cathode
- Ionic chlorides
- Covalent chlorides
- Reaction with dilute sulphuric acid yields hydrogen
- 1, 2 or 3 valence electrons
- 5, 6, 7 valence electrons
(Write the five letters corresponding to the correct characteristics).
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which has low tensile strength
Select the appropriate option for the following statement:
The element from the halogen family which is most abundant
Write the name.
The reagent which dissolves noble metals.