Question
What are Exothermic and Endothermic reaction ? Give examples. 

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Give scientific reason:
Lime water (solution of slaked lime) is used for whitewashing the walls of the house.
Identify the parts of a neuron in a diagram:
$(1)$ where information is acquired,
$(2)$ through which information travels as an electrical impulse, and
$(3)$ where this impulse must be converted into a chemical signal for onward transmission.
What will be the formula and electron dot structure of cyclopentane?
How is the strength of acids and bases determined?
Explain the movement in pea plant due to growth.
Atul built a small house. He used well-insulated copper wires of good quality for wiring and switches, sockets and plugs too. He however, had a room-heater of poor quality. Once on a winter night he was sleeping with his family in a closed room with the heater ON. During sleep he was suffocated. Hence he woke up and found flames of heater on fire. His son Raghav got up quickly and switched off the main switch. He made a call to the fire brigade. The fire crew of fire brigade reached quickly and put off fire. Atul and his family thanked the firemen.
(1) How Atul's heater was on fire?
(2) Name the safety device missing in the electric wiring of Atul's house.
(3) What values do you learn from Raghav in this episode?
Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
Is regeneration a type of reproduction? Explain with example.
An electric refrigerator rated 400 W and an electric bulb rated 100 W are operated 10 hours/day. What is the cost of the energy to operate them for 10 days at ₹ 8.00 per $k W h$ ?
What are receptors? State the example, location and function of different receptors in human body.