English

Balance the following simple equation: K + H2O → KOH + H2 - Chemistry

Advertisements
Advertisements

Question

Balance the following simple equation:

K  +   H2O   →   KOH   +   H2 

One Line Answer

Solution

2K  +   2H2O   →   2KOH   +   H2 

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: The Language Of Chemistry - Additional Questions

APPEARS IN

Viraf J. Dalal Simplified ICSE Chemistry [English] Class 9
Chapter 1 The Language Of Chemistry
Additional Questions | Q 19.17

RELATED QUESTIONS

What is wrong with the following chemical equation?

Mg   +   O   →   MgO

Correct and balance it.


Translate the following statement into chemical equation and then balance the equation:

Phosphorus burns in oxygen to give phosphorus pentoxide.


What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.


The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is know as:
(a) law of conservation of momentum
(b) law of conservation of mass
(c) law of conservation of motion
(d) law of conservation of magnetism


Explain the following reaction with one suitable example .
Decomposition reaction


Write the answer to the following.

Explain the similarity and difference in two events, namely adding NaOH to water and adding CaO to water.


Balance the following equation:

C + H2SO4 → CO2 + H2O + SO2


Write the balanced chemical equation of the following reaction.

zinc sulphide + oxygen → zinc oxide + sulphur dioxide


\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

State why the compound MnO2 is written above the arrow.


Three beakers labelled as A, B and C each containing 25 mL of water were taken. A small amount of NaOH, anhydrous CuSOand NaCl were added to the beakers A, B and C respectively. It was observed that there was an increase in the temperature of the solutions contained in beakers A and B, whereas in case of beaker C, the temperature of the solution falls. Which one of the following statement(s) is(are) correct?

  1.  In beakers A and B, exothermic process has occurred.
  2. In beakers A and B, endothermic process has occurred.
  3. In beaker C exothermic process has occurred.
  4.  In beaker C endothermic process has occurred.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×