CLASS: X :: Chemical Reactions and Equations :: Question & Answer
CLASS: X NCERT (CBSE)
SCIENCE
Chemical Reactions and Equations
Question & Answer
Question 1:Define a chemical change.
Answer: ...
Chemistry Quiz
Chemistry Quiz
1. What is the first element on the periodic table?
2. What is the centre of an atom called?
3. True or false? Acids have...
The Eiffel Tower can be 15 cm taller during the summer
When a substance is heated up, its particles move more and it takes up a larger volume – this is known as thermal expansion....
CLASS: X :: Acids, Bases and Salts :: Question & Answer
CLASS: X
Acids, Bases and Salts
Question & Answer
Question (1): Define the terms: Acid, alkali and salt.
Answer:
An acid is a compound,...
A teaspoonful of neutron star would weigh 6 billion tons
A neutron star is the remnants of a massive star that has run out of fuel. The dying star explodes in a supernova while...
CLASS: X :: Light-Reflection and Refraction
CLASS: X NCERT (CBSE)
PHYSICS
Light-Reflection and Refraction
Multiple Choice Questions
Light-Reflection
Question 1: Light is a form of energy produced by a ______ .
1. luminous object
2. transparent object
3....
Application of Radiation Technology and Radioisotopes in the field of Agriculture, Food and Health
A thematic meeting on "Application of Radiation Technology and Radioisotopes in the field of Agriculture, Food and Health" was held on May 28-30, 2014...
CLASS: X NCERT (CBSE) SCIENCE: Chemistry- Acids, Bases and Salts
Summary
Acids, Bases and Salts
1. Acidic substances generate H+ ions in the medium, while basic ones liberate OH- ions in the medium.
2. Certain dyes are...
Career Article on Extension Education
Introduction
Extension Education is a dynamic field that focuses on providing knowledge, skills, and services to individuals and communities, aiming to improve their lives. It...
Hawaii moves 7.5cm closer to Alaska every year
The Earth’s crust is split into gigantic pieces called tectonic plates. These plates are in constant motion, propelled by currents in the Earth’s upper...
Career Article on Food Flavor Chemist
Food flavor chemistry is a fascinating field that merges the science of chemistry with the art of food and beverage creation. Food flavor chemists...
Education and Career Links
Academics:
• University Grants Commission - www.ugc.ac.in
• Central Board Of Secondary Education - www.cbse.nic.in
• Delhi University - www.du.ac.in
• Jawaharlal Nehru University -www.jnu.ac.in
• National Council for...
Staff Selection Commission(SSC) conducts the Combined Graduate Level (CGL) Examination
About SSC CGL
SSC CGL 2014 is held for recruitment to government jobs in India. Get details on the syllabus, form, online application process, result...
A flea can accelerate faster than the Space Shuttle
A jumping flea reaches dizzying heights of about eight centimetres (three inches) in a millisecond. Acceleration is the change in speed of an object...
CBSE Class 10 exams 2015: Over 13.5 lakh candidates registered
Central Board of Secondary Education (CBSE) is all set to conduct the Board exams for their Class 10 aspirants from March 2 (Board based)...
How do cats see at night?
Cats often hunt at night, and consequently they need superior night-time vision to primarily diurnal creatures. The way their eyes have adapted is by...
Human Eye
The human eye is an organ that reacts to light and has several purposes. As a sense organ, the mammalian eye allows vision. Rod...
Career Article on Rural Studies
Introduction to Rural Studies
Rural studies is an interdisciplinary field that explores various aspects of rural life, culture, economy, development, and governance. It examines rural...
Career Article on Psychology
Introduction to Psychology as a Career
Psychology is a fascinating and diverse field that explores human behavior, cognition, emotions, and mental processes. With growing awareness...
