EASY
7th CBSE
IMPORTANT
Earn 100

Which one of the following is true for all chemical reactions?

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Important Questions on National Science Olympiad

MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 7
The movement of oxygenated blood from the left auricle to the left ventricle and then to the aorta to all parts of the body is called _____.
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 8
The process of crossing two varieties with different characters to obtain a new variety is called _____.
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>Exercise 1>Q 9
Which metal is present in the human body in greater percentage?
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 1
Which of these is not an insectivorous plant?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 2
The thicker hair from older Angora goats is used to make _____.
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 3

Which of the following is not a good conductor of electricity?

EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 4
Evaporation of seawater to form clouds is an example of a change that is _____.
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 24 - National Science Olympiad>National Science Olympiad--Practice Questions>Q 5
Which is not true about an acid?