Advertisements
Advertisements
प्रश्न
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Advertisements
उत्तर
A : Is non-malleable, non-ductile & a poor conductor of electricity Non-metallic element
B : Has lustre, is malleable and ductile & a good conductor of heat Metallic element
C : Is unreactive and inert and present in traces in air Noble gas.
D : Shows properties of both metals and non-metals Metalloid
संबंधित प्रश्न
Name a soft metal.
Give two examples of the following.
Elements which are liquids
Answer the following question:
Why are copper and aluminium used to make electric wires?
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
Classify substances into pure and impure substances in the form of a chart or tabulation.
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Write the names of elements from the following symbol:
Ir
Explain the term ‘mixture’.
