Download App

Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
Question
Is oxidation an exothermic or an endothermic reaction?
✓

Answer

Most of the oxidation reactions are exothermic reactions because energy is released during oxidation.

$\text{C(s)}\ +\ \text{O}_2(\text{g})\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{CO}_2(\text{g})$

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

Explore more

More "Answer the questions.[Che-1M]" from Chemical Reactions and Equations→Chemical Reactions and Equations — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

State a peculiar (or remarkable) property of plaster of Paris.
→
What type of reactions are represented by the following equations?

$2\text{FeSO}_4\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Fe}_2\text{O}_3\ +\ \text{SO}_2\ +\ \text{SO}_3$

→
What colour do the following indicators turn when added to a base or alkali (such as sodium hydroxide)?
  1. Methyl orange.
  2. Litmus.
  3. Red cabbage extract.
→
Name the chemical compound which is electrolysed in molten state to obtain aluminium metal. Which gas is evolved during this process?
→
Draw the structures of:
Sodium ethanoate.
→
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
→
Name an alloy of lead and tin.
→
Balance the following equations:

$\text{Al}_2\text{(SO}_4)_3\ +\ \text{NaOH}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Al(OH)}_3\ +\ \text{Na}_2\text{SO}_4$

→
Why is sodium kept immersed in kerosene oil?
→
Name an acid which is present in baking powder?
→