Advertisements
Advertisements
प्रश्न
Write symbolic representation for the following word equation and balance them :
Calcium oxide + Water → Calcium hydroxide
Advertisements
उत्तर
Calcium oxide + Water → Calcium hydroxide
`"CaO" + "H"_2"O" → "Ca" ("OH")_2`
APPEARS IN
संबंधित प्रश्न
2 mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed, a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid.
Correct and balance the following equation:
\[\ce{N + H -> NH3}\]
One of the following is an exothermic reaction. This is:
Write your observation for the following chemical reaction and name the product formed :
When water is added to quick lime?
What information does the following chemical equation convey?
Zn + H2SO4 → ZnSO4+ H2
Choose the correct alternative and rewrite the following sentence.
Which of the following is not required to find the pH of a given solution?
The chemical reactions in which heat is liberated are called endothermic reactions.
Give a balanced equation for addition of iron to copper [II] sulphate solution. State the change in colour seen.
Balance the following simple equation:
Fe + Cl2 → FeCl3
Which among the following is(are) double displacement reaction(s)?
- `"Pb" + "CuCl"_2 -> "PbCl"_2 + "Cu"`
- `"Na"_2"SO"_4 + "BaCl"_2 -> "BaSO"_4 + 2"NaCl"`
- `"C" + "O"_2 -> "CO"_2`
- `"CH"_4 + 2"O"_2 -> "CO"_2 + 2"H"_2"O"`
