Question
Which of the following metals is used for the
manufacture of heating elements provided in electric iron?Solution
Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to pass electricity and give off heat. Nichrome is made of 80 percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.
The important ore of aluminium is-
Petroleum is a mixture of-
The acid used in lead storage cells is-
Urea is a —
Manganite is an ore/mineral of
Milk tastes sour when kept in the open for sometimes due to the formation of-
The gas used for filling weather balloons is-
The major component of honey is-
___________ is the process in which acids and bases react to form salts and water.
The nucleus of an atom consists of-