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

If sodium chloride is added to the silver nitrate solution:

a. which precipitate is formed?
b. name the type of reaction.
c. write the chemical equation.

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

AgCI : White :: CuI₂ : ___________

Define: Endothermic reaction 

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?

Explain the reaction given in the figure.

Identify the type of chemical reaction given below:

\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]

Identify the type of chemical reaction given below:

\[\ce{2Mg + O2 -> 2MgO}\]

In a double displacement reaction ______.

Complete the following chemical reaction:

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

Name the chemical reaction type.

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.

It is recommended to use air tight containers for storing oil for a long time.

Complete the following reaction:

\[\ce{C_12H_22O11->[Heat]}\] ______ + ______.

Write the molecular formula of calcium carbonate.

Dilute NaOH can be tested with
(a) red litmus paper
(b) blue litmus paper
(c) lime water
(d) Na2CO3

Give the molecular formula of bleaching powder.

When phenolphthalein is added to NaOH, the colour of the solution will become _________.

1. colourless
2. red
3. pink
4. yellow

Name the product obtained when Plaster of Paris is mixed with water. State the use of the product. Give two uses of POP.

Sodium or potassium salt of higher fatty acid is termed …………