SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Material: Copper wire, Iron nail, Beaker or Big test tube.

Chemicals: Ferrous Sulphate and Copper Sulphate Solution.

1. Which reaction you will study with the help of the above material and solutions? Draw the diagram of the experiment arrangement.
2. How do you identify that the reaction is carried out?
3. Which type of reaction did you observe?

Out of three metals, sodium, calcium and aluminium, which metal reacts most with water? Give the equation of reaction with all three metals.

Geostationary satellites are not useful for studies of the polar region.

Calculate the time taken by a satellite for one revolution revolving at a height of 6400 km above the earth's surface with a velocity of 5.6 km/s.

Answer the questions based on the figure below:

1. Which experiment setup is demonstrated in the figure?
2. What do you conclude after the reactions? Name reaction.

The figure given below shows the magnetic field around the conductor. Study it and answer the questions:

1. What changes are caused by increasing current?
2. What do you see when the magnetic needle is kept a little away from the wire?
3. In the second part of the figure, the iron filings arrange themselves in a circular manner around the wire. Why does this happen?

Answer the questions based on the figure below:

1. Which reaction is shown in the figure?
2. Which gas is evolved in the reaction?
3. Give an example of reactants that rapidly show this reaction. Give equations.
4. Give an example of reactants that do not react rapidly.
5. In what condition will reactants of (c) part react? Give equation.

The height of medium earth orbit above the surface of the earth is ______.

Write the name of small satellite made by a group of students from COEP (College of Engineering, Pune) sent to the space through ISRO in 2016.

Complete the Following table.

Complete the following equations:

The orbit of a satellite is exactly 35780 km above the earth's surface and its tangential velocity is 3.08 km/s.

How much time the satellite will take to complete one revolution around the earth?

(Radius of earth = 6400 km.)

The element eka-silicon in Mendeleev’s periodic table is known as ………… in the modern periodic table.

A person has sour taste in the mouth and a burning sensation of the stomach.

1. What is he suffering from?
2. Why does it happen?
3. What substance is used as a remedy?

State the rule to determine the direction of a magnetic field produced around a straight conductor-carrying current.

Taking into consideration the relationship in the first pair, complete the second pair

2H₂ + O₂ → 2H₂O :Combination Reaction :: 2HgO → 2Hg + O₂:_________

Which substance when used with butter having butyric acid can cure acidity?

(A) Lime water

(B) Soda water

(C) Calcium carbonate

(D) Lime juice

State the right-hand thumb rule.