Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point

Author:Shobhita Johari, Pankaj Tyagi & Parminder Chopra

Shobhita Johari Science Solutions for Exercise - Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point

Attempt the practice questions from Exercise 2: Check Point with hints and solutions to strengthen your understanding. I Explore 3rd EDITION A Science Textbook 8 solutions are prepared by Experienced Embibe Experts.

Questions from Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 2: Check Point with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Name a brittle metal that is used to galvanise iron.

MEDIUM
8th CBSE
IMPORTANT

Name a metal used as fuse wire.

HARD
8th CBSE
IMPORTANT

Name a metal whose chloride and sulphate salts are both insoluble.

HARD
8th CBSE
IMPORTANT

Name a metallic chloride that is soluble in hot water but insoluble in cold water.

MEDIUM
8th CBSE
IMPORTANT

Arrange the following metals in the decreasing order of chemical reactivity, placing the most reactive element first, copper, magnesium, iron, sodium, calcium, zinc.

MEDIUM
8th CBSE
IMPORTANT

Name two metals that occur in free state in nature. What is the method of refining them?

MEDIUM
8th CBSE
IMPORTANT

Explain the chemical change that causes corrosion of iron.

MEDIUM
8th CBSE
IMPORTANT

If an iron nail is left in a filled bottle of boiled water, how long will it take to corrode?