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

Write the name.

The family of group 1 elements.

Write the name.

The family of group 1 elements.

Write the name.

The family of elements having zero valency.

Write the name.

The family of elements having zero valency.

Write an Explanation.

Critical angle

Write a scientific reason.

In a group, the size of the atom increases as it goes down from the top.

Write a scientific reason.

In a group, the size of the atom increases as it goes down from the top.

Write scientific reason.

The velocity of spacecraft at the earth's surface must be greater than the escape velocity of the earth.

Draw a neat and labelled diagram for dispersion of light.

Classify the following metals based on their reactivity.
Cu, Zn, Ca, Mg, Fe, Na, Li, Hg

Explain the following reaction with the balanced equation.

Sodium burns in air

Explain the following reaction with the balanced equation.

Reaction of aluminium with oxygen

Explain the following reaction with the balanced equation.

Magnesium reacts with dil HCl

Explain the following reaction with the balanced equation.

Sulphur burns in air

Describe the merits of Mendeleev’s periodic table?

Describe the merits of Mendeleev’s periodic table?

Rainbow is a beautiful natural phenomenon. It is the combined effect of a natural three processes together produced by light. Write it into the circle.

Observe the given figure and write appropriate phenomenon of light in the box.

Observe the given figure and answer the following questions.

1. Which colour light rays bend most?
2. Which colour light rays bend least.
3. What is the wavelength of violet light rays?

Observe the following diagram and identify the type of reaction and write observation.