Madhya Pradesh Board (MPBSE) Previous Year Question Paper for Class 10 Science 2015
Madhya Pradesh Board (MPBSE) Previous Year Papers for Class 10 Science
1. What Is the Key to Success in the MPBSE Class 10 Exam?
These are some tips provided by Vedantu’s subject experts:
Highlighting the topics with heavy weightage.
Clear all the concepts from the latest study materials.
Students need to practice PYQP.
Do a proper evaluation by trying practice tests.
Analyze the exam pattern before appearing in the board exam.
2. What Do You Mean by Comets?
A Comet is known as an astronomical object which contains a nucleus of ice and dust. When a comet is near the sun, a ‘tail’ of gas and dust particles indicate from the sun. In the other words, we can say it as a cosmic snowball of frozen gases, rocks and dust that orbit the sun.
3. Explain about Fehling's Solution.
In Fehling's solution, a deep blue active ingredient is the tartrate complex of Cu 2+. The total reaction is conducted between an aldehyde and copper (II) ion.
The chemical expression for the Fehling's solution may be indicated as:
2Cu 2+ + RCHO + 5OH − → 3H2O + Cu2O + RCOO −
4. Mention Two Characteristics of Rocket Fuel.
Here are the two characteristics of rocket fuel.
Rocket fuel is made with petroleum which is derived from crude oil.
The presence of hydrogen and oxygen in the fuel makes the combustion faster.