100+ Inorganic Chemistry MCQ Questions and Answers pdf - 1
Question: 1
What are metals?
Elements which are generally hard, malleable, ductile and are good conductors of heat and electricity and which possess luster are classified as metals.
Example : Copper, Iron, Gold, Silver
Question: 2
What are non metals?
Elements which are brittle, non lustrous and are poor conductors of heat and electricity are classified as non metals.
Example – Carbon, Nitrogen, Hydrogen, Sulphur
Question: 3
What is galvanisation?
Galvanisation is a method of preventing corrosion.
A thin coating of zinc on iron objects prevents rusting.
This process of a giving a thin coating of zinc on iron is called galvanisation.
Question: 4
What is the action of oxygen on metals?
Metals combine with oxygen to give basic oxides.
Question: 5
What are the uses of metals?
i. Iron and steel are used for making machinery, ships, pipes, automobiles , trains, agricultural implements etc.
ii. Copper is extensively used in making electrical appliances and making alloys like brass and bronze.
iii. Aluminium is used for making utensils, electric cables, aluminium foil and aluminium paint.
iv. Widely used alloys, duralumin and magnalium contain aluminium.
v. Zinc is used to protect iron from rusting.
vi. Lead is used to storage batteries.
vii. Tin is used in tinning of cooking vessels.
viii. Some metals are used as catalysts in chemical reactions.
Signals and Systems Quiz Questions and Answers Pdf More
Signals and Systems MCQ Questions and Answers Pdf More
Electrical Power Sources Quiz Questions & Answers Pdf More
Electromagnetic Field Theory Question Bank 2024-2025 More
Power Semiconductor Device and Integrated Circuits Questions More
100+ Percentage Questions with Solutions Pdf More
1000+ Indian Freedom Struggle Online Test More
100+ Important Days in May for Bank Exams, SSC, UPSC, PSC More
1000+ General English Questions & Answers for SBI Clerk Exam More
Mathematical Operations Reasoning Examples, Tips and Tricks More