SSC (Marathi Semi-English) 10th Standard Board Exam [इयत्ता १० वी] - Maharashtra State Board Question Bank Solutions for Science and Technology 1

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

(A) Moss

(B) Lichen

(C) Rose

(D) Hibiscus

Find the odd man out:

Turmeric, Methyl Orange, Rose petals, Beetroot.

Explain the terms with examples.

Balanced equation

Balance the equation stepwise.
H₂S₂O₇(l) + H₂O(l) → H₂SO₄(l)

Balance the equation stepwise.

 SO₂(g) + H₂S(aq) → S(s) + H₂O(l) 

Balance the equation stepwise.

 Ag(s) + HCl(aq) → AgCl ↓+ H₂ ↑ 

Balance the equation stepwise.

NaOH(aq) + H₂SO₄(aq) → Na₂SO₄(aq) + H₂O(l)

Fill in the blank and Explain the completed sentences.

 The change in ______ of light rays while going from one medium to another is called refraction.

We can see the sun even when it is little below the horizon because of ______.

What is meant by an artificial satellite? How are the satellites classified based on their functions?

Write down what you understood from the following chemical reaction.

AgNO_3(aq) + NaCI_(aq) → AgCI ↓ + NaNO_3(aq)

Write the importance of artificial satellites in your words.

Choose and write the correct option.

If we gradually increase the angle of incidence of a ray of light passing through prism then …..

Write down what you understood from the following chemical reaction.

AgNO_3(aq) + NaCI_(aq) → AgCI ↓ + NaNO_3(aq)

Write the answer to the following.

Explain the similarity and difference in two events, namely adding NaOH to water and adding CaO to water.

Phenolphthalein is a synthetic type of indicator.

Choose the correct alternative and rewrite the following sentence.

Phenolphthalein is ___________ type of indicator. 

Choose the correct alternative and rewrite the following sentence.

Which of the following is not required to find the pH of a given solution? 

The chemical reactions in which heat is liberated are called endothermic reactions.

The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.