English

Fill in the Blank Chalk Powder Dissolved in Water is an Example of a Chalk Powder Dissolved in Water is an Example of a .......................

Advertisements
Advertisements

Question

Fill in the blank

Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.

Fill in the Blanks
Advertisements

Solution

Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a suspension.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Elements, Compounds and Mixtures - Additional questions 4

APPEARS IN

Selina Concise Chemistry [English] Class 7 ICSE
Chapter 3 Elements, Compounds and Mixtures
Additional questions 4 | Q 4

RELATED QUESTIONS

Classify the following substances into compounds and mixtures:


 Fill in the blan

An ________ is a homogeneous mixture of two or more metals.


Name the substance you will add to speed up sedimentation.


Give one example for the following types of mixtures: 

liquid-gas homogenous mixture


Name: a Non-metal Which is a Good Conductor of Electricity.


Give two examples of the following.
Metals which are soft


State the number of atoms of each element, present in \[\ce{HNO3}\].

Also name the compound.


Give one use of the following substance:
Coal


Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?


Indicate whether the following statement is true or false:
All elements are artificially prepared


Tick (√) the correct alternative from the choice given for the following statement

The hardest naturally occurring substance


The important physical properties of substances are colour, odour, nature, density & solubility in water.

Name - a poisonous gas almost as heavy as air.


Match the statements in List I – 1 to 10 correct answers in List II-A to J.

  List I   LIst II
1 Fluorine and chlorine A Nitrogen
2 A diatomic molecule B Boron
3 A molecule containing the elements hydrogen and oxygen. C Reactants
4 A metalloid - showing properties of both metals and non-metals. D Chemical Formula
5 The term used for the substances which take part in the chemical reaction E Halogens
6 The term represents a  substance by means of symbols. F Water
7 The term used for the substances formed as a result of a chemical reaction G Nitric Acid
8 A compound containing one atom of zinc and two atoms of chlorine. H Products
9 The chemical name for nitrogen monoxide. I Phosphorus
10 A polyatomic molecule. J Zinc Chloride

 


Who are my companions?

Group 'A'   Group 'B'
1. Stainless steel (a) Non-metal
2. Silver (b) compound
3. Bhajani​ mixture for milling (c) Mixture 
4. Salt  (d) Element
5. Coal (e) Alloy
6. Hydrogen (f) Metal

Write the names of elements from the following symbol:

Cd


Write an answer to the following question in your own words.

Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?


Select the correct answer to the statement given below:

The chemical name for dinitrogen oxide [N20].


Define the terms elements, compounds & mixtures with a view to show their basic difference.


The first letter of an element is always written in ______ letter.


Higher Order Thinking Skills.

In the diagram given below, the circle, square and triangle represent the atoms of different elements.

Identify all combinations that represent

  1. molecule of a compound 
  2. molecule of an element consisting of two atoms
  3. molecule of an element consisting of three atoms

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×