मराठी

Translate the Following Statement into Chemical Equation and Then Balance the Equation: Phosphorus Burns in Oxygen to Give Phosphorus Pentoxide. - Science

Advertisements
Advertisements

प्रश्न

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

Phosphorus burns in oxygen to give phosphorus pentoxide.

Advertisements

उत्तर

P4 + 5O2 →2P2O5

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १८]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 10.2 | पृष्ठ १८

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are reactants.


Write the balanced equation for the following reaction, and add the state symbols:

Sodium hydroxide reacts with sulphuric acid to produce sodium sulphate and water.


You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
(a) potassium chloride
(b) potassium nitride
(c) potassium sulphide
(d) potassium iodide


Write your observation for the following chemical reaction and name the product formed:

When sugar is heated.


Write your observation for the following chemical reaction and name the product formed :

When water is added to quick lime?


Raisins are wiped off gently before final weighing with the help of


Write the chemical equation for the following word equation and balance them.

Calcium + Nitrogen → Calcium nitride


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.


The chemical reactions in which heat is liberated are called endothermic reactions.


Define: Endothermic reaction 


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

Write the balanced chemical equation for this reaction.


Name the following:

The gas evolved when a dilute acid is added to chalk [limestone].


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓


What is meant by ‘reactants’ and ‘products’ in a chemical equation?


Balance the following simple equation:

Mg   +   N2  →  Mg3N2 


Balance the following simple equation:

H2S   +   Cl2  →  S  +  HCl 


Balance the following simple equation:

Zn  +   NaOH  →   Na2ZnO2   +   H2 


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


Give a balanced equation by the partial equation method, [steps are given below].

Oxidation of Lead [II] Sulphide by Ozone

  1. Ozone first decomposes to give molecular oxygen & nascent oxygen.
  2. Nascent oxygen then oxidises lead [II] sulphide to lead [II] sulphate. 

Writing a chemical reaction in brief by using chemical formulae is called as _______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×