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

When _______________ is passed through fresh lime water, it turns milky.

Grills of doors and windows are always painted before they are used.

Explain how the formation of a rainbow occurs.

Considering the relationship in the first pair, complete the second paie :

AgCI : White :: CuI₂ : ___________

Define: Endothermic reaction 

Answer the following question:
What is the universal indicator? Does Mg (OH)₂ react with sodium hydroxide? If not, why?

Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?

Writing a chemical reaction in brief by using chemical formulae is called as _______.

In the chemical equation the _______ are written on the left-hand side.

Due to _______ pencil looks bent in water, in the given experiment.

Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.

Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.

The first artificial satellite _______ was sent to space by Soviet Union in 1957.

Complete the given chemical reaction.

\[\ce{CuSO_{4(aq)} + Fe_{(s)} ->}\]______ + ______

Identify the wrong figure from the following.

The incident rays and refracting rays are on opposite sides of the normal.

The speed of light varies in different media.

Write an Explanation.

Balanced equations

Write scientific reason.

The sun appears on the western horizon for some time after sunset.

Write scientific reason.

The bottom of a pond appears raised.