English

Select the Correct Answer to the Statement Given Below: the Chemical Name for Dinitrogen Oxide N20.

Advertisements
Advertisements

Question

Select the correct answer to the statement given below:

The chemical name for dinitrogen oxide [N20].

Options

  • Chalk

  • Oxygen

  • Silicon

  • Bromine

  • Nitrous oxide

MCQ
Advertisements

Solution

Nitrous oxide

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Elements, Compounds and Mixtures - Objective Type Questions

APPEARS IN

Viraf J. Dalal New Simplified Middle School Chemistry [English] Class 7
Chapter 3 Elements, Compounds and Mixtures
Objective Type Questions | Q 1.2

RELATED QUESTIONS

Define mixture. 


Fill in the blank

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


Tick the most appropriate answer.

How many times is a proton heavier than an electron?

  1. 1500
  2. 1800
  3. 1840
  4. none of these

Give Two Examples for Each of the Following: Inert Gases


Give two examples of  Metalloids.


Fill in the blank
A metal which is a liquid at room temperature is _______.


Draw a labelled diagram of an atom including its nucleus, orbits & their contents.


Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’


Select the correct answer from the choice given below.
The element which is malleable


Write the names of elements from the following symbol:

Cu


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?


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


Select the correct answer from the choice given below to complete the sentence :

An example of a monoatomic molecule is ___________.


Give a reason for the following statement :

Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.


Elements are made up of______ kinds of atoms.


State true of false. If false, give the correct statement.

Two different elements may have similar atoms.


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

Higher-Order Thinking questions:

Why is hydrogen considered an element?


Name the element which is used in toothpaste to strengthen our teeth.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×