SSC (Marathi Semi-English) 10th Standard Board Exam [इयत्ता १० वी] - Maharashtra State Board Question Bank Solutions for Science and Technology 1

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.

Write scientific reason.

Anodization method is useful for prevention of the corrosion of the aluminium.

Write scientific reason.

On exposure to air, silver articles turn blackish after some time.

Write scientific reason.

Coins are made from metals and alloys.

Define acceleration due to gravity.

Write acceleration due to gravity value on the surface of Earth.

The mass of planet ‘X” is four times that of the earth and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2 × 10³ m/s. Find the escape velocity of a body from the planet 'X’. 

Distinguish between Direct current and alternating current.

Write the characteristics of ethanol.

Write the uses of ethanol.

Distinguish between:

Universal gravitational constant - Gravitational acceleration of earth.

Write a short note.

Escape Velocity

Write a short note.

Free Fall

Explain concept with example/explain with the help of a balanced equation.

Corrosion

Draw a neat labelled diagram.

Electroplating

Draw a neat labelled diagram.

Anodizing

Complete flow chart given below.

The mass and weight of an object on earth are 5 kg and 49 N respectively. What will be their values on the moon? Assume that the acceleration due to gravity on the moon is 1/6th of that on the earth.

3, 1, 2 electrons are in valence shells of X, Y, Z elements. From this information, state the group in which they belong and write their valencies.