Ela Chowdary Solutions for Chapter: Metals and Non-Metals, Exercise 3: EVALUATION

Author:Ela Chowdary

Ela Chowdary Chemistry Solutions for Exercise - Ela Chowdary Solutions for Chapter: Metals and Non-Metals, Exercise 3: EVALUATION

Attempt the free practice questions on Chapter 7: Metals and Non-Metals, Exercise 3: EVALUATION with hints and solutions to strengthen your understanding. FRANK NEW CERTIFICATE - Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Ela Chowdary Solutions for Chapter: Metals and Non-Metals, Exercise 3: EVALUATION with Hints & Solutions

EASY
7th ICSE
IMPORTANT

Which of the following is not a property of non-metals?

EASY
7th ICSE
IMPORTANT

To prevent rusting, heavy iron parts of machines are painted with

EASY
7th ICSE
IMPORTANT

The green deposit formed on objects made of copper due to corrosion

MEDIUM
7th ICSE
IMPORTANT

Write two uses of each of the following elements:

Iron, Magnesium, Chlorine, Zinc, Lead, Nitrogen, Aluminium, Antimony, Arsenic, Phosphorus

EASY
7th ICSE
IMPORTANT

Explain with the help of an activity, how both moisture and oxygen are the necessary conditions for rusting to occur.

EASY
7th ICSE
IMPORTANT

Why are the elements sodium and potassium kept in kerosene?

MEDIUM
7th ICSE
IMPORTANT

Boron is a metalloid. Give reason.

EASY
7th ICSE
IMPORTANT

Make a list of at least 5 things used in daily life that are made of iron. Also write the way through which they are protected from being rusted. For example, coolers made of iron are always kept outdoors and still do not rust. The reason is their body is galvanised to prevent rusting.