EXERCISES
Mizoram Board Science Solutions for EXERCISES
Simple step-by-step solutions to EXERCISES questions of Metals and Non-metals from SCIENCE TEXTBOOK FOR CLASS X. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISES with Hints & Solutions
Which of the following pairs will give displacement reactions?
Which of the following methods is suitable for preventing an iron frying pan from rusting?
Give reasons-
Carbonate and sulphide ores are usually converted into oxides during the process of extraction.
You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.
Differentiate between metal and non-metal based on their chemical properties.
A man went door to door posing as a goldsmith. He promised to bring back the glitter of old and dull gold ornaments. An unsuspecting lady gave a set of gold bangles to him which he dipped in a solution. The bangles sparkled like new, but their weight was reduced drastically. The lady was upset but after a futile argument the man beat a hasty retreat. Can you play the detective to find out the nature of the solution he had used?
Give reasons-
Why copper is used to make hot water tanks and not steel (an alloy of iron)?
Food cans are coated with tin and not with zinc because-
