SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions

Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.

Write scientific reason.

A coil made up of alloy Nichrome is used in the electric heater cooker as a resistor.

Write scientific reason.

It is beneficial to carry electrical energy in AC form as it is carried over long distances.

Write scientific reason.

Even the wire moves through the ice slab , the ice slab does not break.

Complete the following flow chart.

In the modern periodic table, the positions of 1 to 20 elements are shown here. Identify the elements A and B. Write their atomic number.

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

Explain the importance/uses of fuse wire.

Distinguish between:

s-block - p-block

Distinguish between:

Group 17 - Group 18

Write a short note.

Regelation

An X element with atomic number 11 and Y element with atomic number 13 belongs to the third period in the modern periodic table. With this information, give the answers of the below questions.

1. Which element has more metallic character from these two elements?
2. What is the valency of each X and Y elements?
3. Atom size of Y element is smaller than atom size of X element. Explain.

Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.

1. What is A element metal or nonmetal?
2. Which is the outermost orbit of element B?
3. Identify C element and it's physical state.

When does overloading occur?

What does overloading cause?

How can overloading be avoided?

What is the use of earthing wire?

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

Explain structure of modern periodic table in short.

______ is not a chemical change.