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CBSE Class 1 Science Free Doubts and Solutions
CBSE - X - Science - Light - Reflection and Refraction
2md question
Asked by hemchandvadde
14th April 2024,
4:12 PM
CBSE - X - Science - Acids, Bases and Salts
what is the role of acid in our stomach
Asked by sony.lucky455
2nd April 2024,
3:23 PM
CBSE - X - Science
Maharashtra State Board Exam Class 10 Physics (2024) The SI unit of heating is _____________ (A) Calorie (B) Joule (C) Kcal/kg ºC (D) Cal/g ºC
Asked by sagarmishra
18th March 2024,
4:10 PM
CBSE - X - Science - Chemical Reactions and Equations
when hydrogen gas burns in presence of oxygen then water is formed and when water is electrolysed then hydrogen and oxygen gases are produced . state which type of reaction takes place
Asked by srinivasansriharinia9
1st March 2024,
8:17 PM
CBSE - X - Science
What is total resistance across circuit?
Asked by kalavatisolunke
1st March 2024,
5:42 AM
CBSE - X - Science - Chemical Reactions and Equations
Red brown gas is release along with oxygen and lead oxide on heating lead nitrate it is example of which reaction
Asked by muskanprayagraj78
26th February 2024,
5:44 PM
CBSE - X - Science - Electricity
An electric refrigerator rated 1 kW operates 6 hours daily. What is the cost of the energy to operate it for 15 days at rate of ₹ 3.00 per kWh?
Asked by kmannatpreet4
21st February 2024,
7:34 PM
CBSE - X - Science - Electricity
four wires of each 0f the same length diameter and material are connected to form a square,If the resistance of each wire is R.then equivalent resistance accross the opposite corner is
Asked by umaambiger87
8th February 2024,
3:28 PM
CBSE - X - Science - Carbon and Its Compounds
Soaps and detergents are both types of salts. Stare the difference between the hws. Write the mechanism of the cleansing action of soups. Why de soaps not form lather (foam with hard water? Mention any wo problems that arise due to the war of detergents instrad of soaps
Asked by pvasanth3573
7th February 2024,
10:13 PM
Browse free questions and answers Chapters
- 1 Life Processes
- 2 Control and Coordination
- 3 How Do Organisms Reproduce?
- 4 Heredity and Evolution
- 5 Environment
- 6 Management of Natural Resources
- 7 Chemical Reactions and Equations
- 8 Acids, Bases and Salts
- 9 Metals and Non Metals
- 10 Carbon and Its Compounds
- 11 Periodic Classification of Elements
- 12 Light - Reflection and Refraction
- 13 The Human Eye and The Colourful World
- 14 Electricity
- 15 Magnetic Effects of Electric Current
- 16 Sources of Energy
