Question:
Find out how many minerals are used to make a lightbulb?
Answer:
Tungsten, glass, aluminum and copper are the main minerals used to make a light bulb.
More NCERT Questions
Download Free PDF
(All Q's of this Chapter solved)

Study Material
Shop Books

Find out how many minerals are used to make a lightbulb?
Tungsten, glass, aluminum and copper are the main minerals used to make a light bulb.
Please verify your Whatsapp number first,
so you can download this pdf immediately
Please type a valid 10 digit whatsapp number
Send OTP
OTP sent, check your whatsapp
Your OTP is incorrect, Please enter valid OTP
