SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Write the name.

Two elements having two orbits.

Write the name.

An alloy of copper and tin-

Write the name.

Method used to prevent corrosion of copper.

The value of gravitational acceleration at the centre of earth is zero.

Free fall of an object does not depend on the mass of the object.

The metallic character of the element decreases moving across a period from left to the right.

Silicon is a metallic element.

On moving down the group metallic character increases.

Electronegativity is the metallic property of an element.

The alternating current is an oscillatory current.

The frequency of the alternating current is 50 Hz.

Colorless ethanol is in liquid state at room temperature.

Ethanol is soluble in water in all proportions.

Write an Explanation.

Electropositivity

Write an Explanation.

Electronegativity

Write scientific reason.

The value of gravitational acceleration (g) decreases as we go deep inside the earth.

Write scientific reason.

When we drop a feather and a stone at the same time from a height the stone reach the earth faster than a feather.

Write scientific reason.

The value of gravitational acceleration (g) is taken to be -g when studying the motion of an object thrown upwards in a straight line.

Write scientific reason.

The metallic character of elements increases while going down the groups.

Write scientific reason.

The non-metallic character increases while going from left to right in a period.