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

Give scientific reasons for the following:

Newton's gravitational law is the universal law of gravitation.

Complete the given chemical equation:

\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]

Name the type of reaction.

Complete the chart below.

Observe the following diagram and answer the questions.

1. Explain the construction of the equipment shown in the figure.
2. How is AC generated?

Write the answer to the questions with reference to the periodic table.

1. What do (A), (B), (C), and (D) represent?            [1]
2. Elements are arranged in increasing order of their ______.            [1]
3. Write the electronic configuration of the first four elements in Group I.            [1]
4. What change in atomic radius is observed in moving from left to right in a Period?            [1]
5. Give a reason for (d).            [1]

Write the answer of the question with reference to laws of gravitation.

Write the value of the universal gravitational constant.

1 kWh is equal to ______.

Match the columns:

Answer the following questions in reference to the figure below:

1. Which relation is shown in the figure?
2. What will happen if the mass of one of the objects is doubled?

In the electric equipment producing heat like iron, electric heater, boiler, toaster etc., an alloy such as nichrome is used, not pure metals.

Answer the following questions related to the modern periodic table.

Name the blocks with the groups that they consist of.

Answer the following questions related to the modern periodic table.

Which block elements are known as transition elements?

Answer the following questions related to the modern periodic table.

How are elements placed around the zig-zag line in the p-block of the periodic table?

How much heat energy is necessary to raise the temperature of 10 kg of water from 50°C to 100°C?

Write the use of ‘Calorimeter’.

Observe the figure and answer the questions:

1. State Newton's universal law of gravitation.
2. If the distance between the two bodies is tripled, how will the gravitational force between them change?
3. What will happen to gravitational force, if mass of one of the object is doubled?

Define Electric power.

Draw figure ‘Electric motor’ and working 

What is the Principle of an Electric motor?

Name any four appliances where electric motor is used.