SSC (English Medium) १० वीं कक्षा - Maharashtra State Board Important Questions

Answer the questions based on the figure below:

1. Which reaction is shown in the figure?
2. Which gas is evolved in the reaction?
3. Give an example of reactants that rapidly show this reaction. Give equations.
4. Give an example of reactants that do not react rapidly.
5. In what condition will reactants of (c) part react? Give equation.

In ______ process a layer of molten tin is deposited on metals.

Corrosion can be prevented by using ……………. solution.

The chemical formula for rust is.............. .

What is meant by rust?

Write the chemical formula of rust.

Give scientific reason.

It is reccommended to use air tight container for storing oil for long time.

Identify from the reaction the reactants that undergo oxidation and reduction.
Fe + S → FeS

Complete the following flow chart. 

Complete the correlation:

Alkene : C = C :: Alkyne: _______.

Define Hydrocarbons.

The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.

The general molecular formula for the homologous series of alkynes is _______.

Write the molecular formula of the given compound.

Ethyl ethanoate

Cyclohexane is a branched chain type of hydrocarbon.

Distinguish between:

Saturated hydrocarbons - Unsaturated hydrocarbons

Identify the type of chemical reaction given below:

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

Identify saturated and unsaturated hydrocarbons from the given structural formula:

Draw electron dot structure for the following:

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}\\
\phantom{}|\phantom{...}|\phantom{}\\
\ce{H-C-C-H}\\
\phantom{}|\phantom{...}|\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{H}\phantom{}
\end{array}\]