Elements in the periodic table are classified as metals, non-metals, metalloids and noble gases based on their properties. Nearly 75 percent of all the elements in the periodic table are classified as metals. Examples are: gold, aluminium, copper, iron, lead, silver, platinum, uranium and zinc.

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

1- (e) : Stainless steel is an alloy of iron and several other components such as nickel, chromium. 2- (f) : Silver is a chemical element with atomic number 47 is a metal and is very useful. 3- (c) : Bhajani mixture for milling is a healthy multigrain mixture. 4- (b) : Salt is a combination of sodium and chlorine, both of which are elements. Thus, salt is a compound. 5- (a) : Coal is a non-metal, which is also a combustible solid, used for cooking purposes or to produce electricity. 6- (d) : Hydrogen, an element placed first in the periodic table. It is also the most abundant element found in the universe. Group 'A' Group 'B' 1. Stainless steel (e) Alloy 2. Silver (f) Metal 3. Bhajani mixture for milling (c) Mixture 4. Salt (b) Compound 5. Coal (a) Non-metal 6. Hydrogen (d) Element

E M B I B E

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Can you tell>Q 1

EASY

7th Maharashtra Board

IMPORTANT

Earn 100

Which metals do we use in day-to-day life?

Important Questions on Elements, Compounds and Mixtures

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7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Can you tell>Q 2

Are metals elements?

EASY

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Find out>Q 1

Which of the elements are metals, which are non-metals and which are metalloids?

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7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Can you tell>Q 1

Which element helps combustion?

EASY

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Can you tell>Q 2

Does water help combustion?

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7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Use your brain power>Q 1

Is the water that falls from clouds naturally pure?

MEDIUM

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Use your brain power>Q 2

Which properties of a liquid are seen in the distillation method?

EASY

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Use your brain power>Q 3

For what purposes is distilled water used?

HARD

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 14 - Elements, Compounds and Mixtures>Exercise>Q 1

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

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