Embibe Experts Solutions for Chapter: Metals and Non-metals, Exercise 1: assam board-2018
Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Chapter: Metals and Non-metals, Exercise 1: assam board-2018
Attempt the free practice questions on Chapter 3: Metals and Non-metals, Exercise 1: assam board-2018 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Chapter: Metals and Non-metals, Exercise 1: assam board-2018 with Hints & Solutions
Give reasons:
Platinum, gold and silver are used to make jewellery.
Food cans are coated with tin and not with zinc because
Why do we apply paint on iron articles?
Give reasons:
Aluminium is a highly reactive metal. Yet it is used to make utensils for cooking.
What is the refining of metals? Mention the most widely used method for refining impure metals. What is anode mud?
Explain, why:
Silver articles become black after some time when exposed to air.
Explain, why copper reacts with moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat.
Explain electrolytic refining used for refining of metals.
