EASY
6th ICSE
IMPORTANT
Earn 100

A molecule of nitrogen consists of atoms of the element nitrogen only. (three/ two)

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Important Questions on Elements, Compounds and Mixtures

EASY
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q C
A compound is formed by the combination of at least _____ elements. (five/ two)
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q C
Pure crystals of common salt are obtained by _____ and crystallisation.
EASY
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q C
Two immiscible liquids are separated by using _____. (Distillation/ separating funnel)
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q C
Peanuts are separated from a mixture of wheat and peanuts by _____. (winnowing/ hand-picking)
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q C
_____ is used to separate husk from wheat.
EASY
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q D
Symbol of a chemical element denotes one atom of that element.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q D
The components of a compound cannot be separated by applying chemical methods.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 2 - Elements, Compounds and Mixtures>EXERCISE>Q D
The process of winnowing is used to remove small stone particles from wheat.