R R Misra Solutions for Chapter: Is Matter Around Us Pure? (Elements, Compounds and Mixtures), Exercise 1: Problems for Proficiency

Author:R R Misra

R R Misra Chemistry Solutions for Exercise - R R Misra Solutions for Chapter: Is Matter Around Us Pure? (Elements, Compounds and Mixtures), Exercise 1: Problems for Proficiency

Attempt the free practice questions on Chapter 2: Is Matter Around Us Pure? (Elements, Compounds and Mixtures), Exercise 1: Problems for Proficiency with hints and solutions to strengthen your understanding. Secondary Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from R R Misra Solutions for Chapter: Is Matter Around Us Pure? (Elements, Compounds and Mixtures), Exercise 1: Problems for Proficiency with Hints & Solutions

EASY
9th CBSE
IMPORTANT

Gallium is a metal which becomes _____ at a temperature slightly above 303 K. 

EASY
9th CBSE
IMPORTANT

Mercury is a metal which exists as _____ at room temperature. 

EASY
9th CBSE
IMPORTANT

The number of metals which exist as gas under normal conditions is _____

EASY
9th CBSE
IMPORTANT

Bromine is a _____ which exists in the liquid state. (metal / non-metal / metalloid)

EASY
9th CBSE
IMPORTANT

Metals can be drawn into wires. Therefore, they are _____ substances. 

EASY
9th CBSE
IMPORTANT

Metals can be hammered into thin sheets. Therefore, they are _____ substances. (ductile/malleable)

EASY
9th CBSE
IMPORTANT

Metals are _____. Therefore, they make a ringing sound when hit. 

MEDIUM
9th CBSE
IMPORTANT

Classify the following elements as metals, non-metals and metalloids:
Hydrogen, iron, carbon, calcium, sulphur, chlorine, gold, arsenic, silver, mercury, sodium, bromine, aluminium, germanium, copper, helium, oxygen.