aptiquiz Monday, 21 Sep, 2020

CHEMISTRY QUIZ2

1.
The gas used to extinguish fire is -  



2.
The gas used in the manufacture of vanaspati from vegetable oil is  



3.
The most abundant metal in the earth’s crust is   



4.
Gobar gas contains mainly   



5.
The most malleable metal is   



6.
Production of Chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products ? 



7.
Which metal always found in free state?  



8.
Silver metal is obtained by—  



9.
The most abundant element in the earth crust is—



10.
 Which of the following metals do not form amalgam?