Maharashtra Board - Class 9

Substances in Common Use question bank (Science and Technology Part 2)

Practice 24 free Maharashtra Board - Class 9 Science and Technology Part 2 - Substances in Common Use questions with answers and step-by-step solutions.

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Q1.

In a balanced chemical equation or physical formula for 'Important Salts in Daily Life', what conservation law is satisfied?


(A)
Conservation of Mass, Momentum, or Energy applicable to Important Salts in Daily Life
(B)
Creation of new atoms
(C)
Disappearance of mass without energy
(D)
None of these
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Q2.

Which diagram is required in the SSC Board Exam when explaining 'Important Salts in Daily Life'?


(A)
A neatly labelled scientific ray diagram / anatomical schematic for Important Salts in Daily Life
(B)
An unlabelled sketch
(C)
No diagram is ever needed
(D)
A decorative drawing
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