Geetha Iyer Solutions for Exercise 4: EXERCISE
Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 4: EXERCISE
Attempt the practice questions from Exercise 4: EXERCISE with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.
Questions from Geetha Iyer Solutions for Exercise 4: EXERCISE with Hints & Solutions
What do you call the black substance that is present in pencils? Is it a metal or a non-metal?
Sample A can displace sample B from its salt solution and sample B can displace sample C, but sample C cannot displace samples A and B. Find out the names of these samples and arrange them in the decreasing order of their reactivity.
In the Library, Collect information about 'electroplating technique' and its usage in the prevention of corrosion.
Various objects made of different metals and non-metals.
Collect information about the reasons why the iron pillar in Qutub Minar (situated in Delhi) has not rusted even after so many years.
The reaction of metal (iron) with dilute hydrochloric acid is used to clean steel before it is coated or plated.
Metallic oxides are used to enhance the appearance of brick buildings. Why?
Sodium metal is used as a heat exchange medium in nuclear power plants. Why?
