Advertisements
Advertisements
प्रश्न
Write a balanced equation for the following word equation:
Potassium bromide + Chlorine → Potassium chloride + Bromine
उत्तर
2KBr + Cl2 → 2KCl + Br2
APPEARS IN
संबंधित प्रश्न
Balance the given chemical equation:
C + CO2 → CO
Explain, with example, how the physical states of the reactants and products can be shown in a chemical equation.
An acid which can decolourise purple coloured potassium permanganate solution is:
(a) sulphuric acid
(b) citric acid
(c) carbonic acid
(d) hydrochloric acid
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
Sodium chloride reacts with silver nitrate to produce silver chloride and sodium nitrate
Write the equation.
Check whether it is balanced, if not balance it.
Find the weights of reactants and products.
State the law which this equation satisfies.
Name the fundamental law that is involved in every equation.
Choose the correct alternative and rewrite the following sentence.
Which of the following is not required to find the pH of a given solution?
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Copper [II] sulphate to sodium hydroxide.
Match the columns.
| Reactants | Products | Types of chemical reaction | ||
| 1. | MgH2 | → | Mg + H2 | Endothermic |
| 2. | 2H2S + SO2 | → | 3S + 2H2O | Oxidation |
| 3. | CaO + H2O | → | Ca(OH)2 + heat | Exothermic |
| Redox | ||||
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
