MEDIUM
10th CBSE
IMPORTANT
Earn 100

Why is tungsten metal selected for making filaments of incandescent lamp bulbs?

Important Questions on Metals And Non-Metals

EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 10
Select metalloids from amongst the following elements:
(i) Bismuth, (ii) Copper, (iii) Zinc, (iv) Arsenic, (v) Iron
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 11
Name two elements that are stored in kerosene
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 12
How are metalloids different from metals. Name the metalloid
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 13
Name two highly malleable metals
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 14
Why are stainless steel cooking pans often given a copper outer bottom?
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 1
What are radioactive metals? Support your answer with two examples.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 2
Name one metal and one non-metal that exist in a liquid state at room temperature. Also name two metals having melting point less than 310 K (37° C).
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 3 - Metals And Non-Metals>EXERCISE 3A>Q 3
Give reason for each of the following: Germanium is called a metalloid.