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

Write Fleming’s left hand rule.

Write the two names in the following diagram.

Right hand thumb rule.

Write the two names in the following diagram.

Fleming’s right hand rule.

Write the name.

The lens used in simple microscope.

Right or wrong sentence.

The modern periodic table has 1 to 7 periods.

Right or wrong sentence.

The modern periodic table shows the molecular masses of the elements in each frame.

p-block is composed of groups 1 and 2.

Right or wrong sentence.

To the left of the zig-zag line in the periodic table are the metal elements.

Right or wrong sentence.

The K and L shells of the elements Na and Mg contain electrons.

The power of the magnifying glass depends on the distance of the magnifying glass from object.

Write an explanation.

Period

Write a scientific reason.

There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.

Write a scientific reason.

Lithium and sodium are included in the same group in the periodic table.

Write scientific reason.

Adults need bifocal lens spectacle.

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.

Explain the following reaction with their balanced chemical equation.

Hydrogen sulphide reacts with sulphur dioxide.

Distinguish between:

s-block - p-block

Distinguish between:

Group 17 - Group 18

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?