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

Observe the figure and write the answers.

1. Name the outer orbit.
2. Which satellites revolve in low earth orbits?
3. Which various orbits are given in the figure?
4. Give an example of a launch vehicle based on Newton’s third law.

Write functions of Military satellite and Navigational satellite.

Note the relationship between the entries in all the three columns in the table and rewrite the table.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Write names of reactants and products of chemical reaction.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Make a list of the elements in the chemical equation.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Write the number of atoms of reactants and products.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Balance the equation with proper coefficient and rewrite the equation.

Explain the magnetic field created by a current around a conductor from the figure.

Give scientific reasons.

The geostationary satellite is not useful in the study of polar regions.

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.