SSC (English Medium) 10th Standard - Maharashtra State Board Important Questions

From which plant is litmus paper or litmus solution obtained?

1. Moss
2. Rose
3. Hibiscus
4. Lichen

A person has sour taste in the mouth and a burning sensation of the stomach.

1. What is he suffering from?
2. Why does it happen?
3. What substance is used as a remedy?

The litmus paper or the litmus solution is obtained from ________ plant

(A) Moss

(B) Lichen

(C) Rose

(D) Hibiscus

Which substance when used with butter having butyric acid can cure acidity?

(A) Lime water

(B) Soda water

(C) Calcium carbonate

(D) Lime juice

Write the chemical name of bleaching powder and write its properties.

Lime water turns milky when ______ gas is passed through it.

Phenolphthalein is a synthetic type of indicator.

Choose the correct alternative and rewrite the following sentence.

Phenolphthalein is ___________ type of indicator. 

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

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

In series combination which remains constant?
(a) Voltage
(b) Current
(c) Both current and voltage
(d) Both are variables

Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).

Differentiate between resistances in series and parallel.

State four most common electrical appliances based on heating effect of electric current. Why do we use finely heated platinum wire in surgery?

Complete the following :-

(a)

Complete the following :-

(b)

Complete the following :-

(c)

If the equivalent resistance is to be increased, then the number of resistances should be connected in

1. Series
2. Parallel
3. Mixed arrangement
4. None of the above

With a neat labelled diagram and derive the equation for three resistances connected in parallel.

Find the expression for resistors connected in series.