Sample Questions on Pure Substance
Question 1: Is air a pure substance?
Answer:
No, Air is not a pure substance, its a mixture of gases and dust particles.
Question 2: Is water a pure substance?
Answer:
Yes, water is a pure substance in which hydrogen and oxygen are combined in a fix ratio.
Question 3: Is Sugar a pure substance?
Answer:
Yes, sugar is a pure substance in which carbon, hydrogen and oxygen are combined in a fixed ratio given as C12H22O11
Question 4: Is milk a pure substance?
Answer:
No, milk is not a pure substance. It is a mixture of fat, water and other components
Question 5: Is salt a pure substance?
Answer:
Yes, salt is a pure substance in wich Na and Cl are combined in a fixed ratio.
Question 6: Is Gold a pure substance?
Answer:
Yes, Gold is a pure substance because it is an element represented as Au.
Question 7: Is Iron a pure substance?
Answer:
Yes, Iron is a pure substance because it is an element represented as Fe.
Question 8: Is carbon dioxide a pure substance?
Answer:
Yes, carbon dioxide is a pure substance in which carbon and oxygen are combined in a fixed ratio
Question 9: Is oxygen a pure substance?
Answer:
Yes, Oxygen a pure substance because it is an element represented by O.
Question 10: Is ice a pure substance?
Answer:
Yes, ice is a pure substance, because it is frozen or solid form of water hence its chemical composition is same as that of water i.e. H2O
Pure Substance
Pure Substances in Chemistry are those which consist of only one type of atom or in the case of more than one type of atom they are always combined in a fixed ratio. What we consider as Pure is not a Pure Substance as per the definitions of chemistry. For Example, we consider milk as pure when it has no adulteration however as per definitions of chemistry Milk is not a Pure Substance.
All the matter around us is classified as Pure Substance and Mixture. Pure Substance forms the basis of all the important chemical compounds. In this article, we will learn about the Pure Substance in detail, learning about the properties and types of pure substance and its comparison with mixture.
Table of Content
- What is Pure Substance?
- Types of Pure Substances
- Properties of Pure Substances
- Applications Pure Substances
- Pure Substance and Mixture
Contact Us