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

Which of the following statement is incorrect with reference to the reaction of silver nitrate with sodium chloride?

Match the column:

Observe the given figure of a current-carrying solenoid and write the labels of A and B correctly.

Differentiate between: Absolute humidity and relative humidity.

Complete the co-relation:

CuI₂ : Brown : : AgCl : ______

How do we feel about air in each of the following conditions?

1. Relative humidity is more than 60%.
2. Relative humidity is less than 60%.

Complete the following reaction:

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

Complete the following flow chart:

What is meant by a satellite launch vehicle?

Write the molecular formula of calcium carbonate.

Name any one Indian satellite launch vehicle.

Draw a neat diagram of a solenoid and name its various components.

Identify the hydrocarbon from the given electron-dot structure:

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{\overset{\bullet\phantom{.}\bullet}{\underset{\bullet\phantom{.}\bullet}{C}}}\phantom{..}\ce{\text{}^\bullet_\bullet}\phantom{..}\ce{H}\phantom{}\\
\phantom{}\ce{H}\phantom{....}\ce{H}\phantom{}\\
\end{array}\]

Reaction of iron nails with copper sulphate solution is an example of
(a) Combination reaction
(b) Decomposition reaction
(c) Displacement reaction
(d) Double displacement reaction

An object of 10 cm is placed in front of a plane mirror. The height of image will be …………….
(a) 5 cm
(b) 15 cm
(c) 20 cm
(d) 10 cm

The element eka-silicon in Mendeleev’s periodic table is known as ………… in the modern periodic table.

The element eka-silicon in Mendeleev’s periodic table is known as ………… in the modern periodic table.

CuSO_4(aq) + Zn_(s) → ZnSO_4(aq) + Cu_(s) is an example of a decomposition reaction.

The reddish brown deposit formed on iron nails kept in a solution of copper sulphate is

1. Cu₂O
2. Cu
3. CuO
4. CuS

The height of the image formed by an object of height 10 cm placed in front of a plane mirror is __________.

(a) 5 cm
(b) 10 cm
(c) 15 cm
(d) 20 cm