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

Mahendra and Virat are sitting at a distance of 1 m from each other.Their masses are 75 kg and 80 kg respectively. What is the gravitational force between them? (G = 6.67 × 10^-11 Nm²/kg²)

Name any two appliances which works on the phenomenon of heating effect of electric current.

Explain the importance/uses of fuse wire.

Find the amount of heat needed to raise the temperature of a silver container of mass 100 g by 10 °C. (c = 0.056 cal/g °C)

If water of mass 60 g and temperature 60 ˚C is mixed with water of mass 60 g and temperature 40 ˚C, what will be the maximum temperature of the mixture?

Find the amount of heat needed to raise the temperature of a piece of iron of mass 500 g by 20 °C. (c = 0.110 cal/g.°C)

Write the molecular formulae of the following compound.

Copper pyrite

Write the molecular formulae of the following compound.

Stannic oxide

Write the molecular formulae of the following compound.

Ferrous tungstate

Draw a neat and labelled diagram for Froth Floatation Process.

Distinguish between:

Froth floatation - Leaching

Write a short note.

Homologous series

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

Gangue

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

Minerals

Complete flow chart given below.

State Newton's universal law of gravitation. Express it with the mathematical form of force of gravitation?

When does overloading occur?

What does overloading cause?

How can overloading be avoided?

Explain the application of heating effect of electric current in an electric bulb with a diagram.