SSC Papers Science I

SSC Papers for Practice Science I Maharashtra Board

Q.1.A.True or False: 2

1. Milk is set into curd is a chemical change

2. The pH of rainwater is 7

Q.1.B. Odd Man Out: 1

1. Dobereiner, Newland, Moseley, Mendeleev

Q.1.C. Match the Column: 2

Column A	Column B
1. Electric charge 2. Potential difference	A. Ohm B. Ampere C. Volt D. Coulomb

Q.1.D. Multiple Choice Question: 5

Noble gases belong to group __________in the periodic table. (15,16,17,18)
The colour of methyl orange indicator in an acidic medium is _______ (red, yellow, green, orange)
In exothermic reaction ________is evolved. (light, heat, gas, sound)
The SI unit of electric potential is _______(ohm, ampere, volt, coulomb)
When resistance are connected in parallel _______ remains constant. (charge, current, P.D, resistance)

Q.2.Attempt Any Five: 10

Write any two merits of modern periodic table.
What is meant by double displacement reaction?
Solution A turns red litmus blue and solution B turns blue litmus red. Classify them acid and base.
Give Reason: Baking powder is used in preparation of spongy cake.
Distinguish between : Voltmeter & Ammeter
A washing machine rated 300W operates one hour/day. If cost is Rs 3 per unit find cost to operate the washing machine for the month of March.

Q.3.Attempt any Five: 15

Explain working of electric fuse.
State Ohm’s law. What is graph of it.
What is neutralization? Explain with one example.
Write a note on water of crystallization.
We feel fresh while on a morning walk in natural surroundings. Why don’t we feel the same after 10 A.M. or rush hours.
State merits of Mendleev’s periodic table.

Q.4.Answer the following (Any One) 5