हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Name the Following: Two Non-metal Which React Explosively When Brought in Close Contact. - Chemistry

Advertisements
Advertisements

प्रश्न

Name the following:

Two non-metal which react explosively when brought in close contact.

एक पंक्ति में उत्तर
Advertisements

उत्तर

Iodine and phosphorous

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Language of Chemistry - Objective Type Questions

APPEARS IN

विराफ जे दलाल New Simplified Middle School Chemistry [English] Class 7
अध्याय 5 Language of Chemistry
Objective Type Questions | Q 3.3

संबंधित प्रश्न

With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in colour 

Give chemical equation for the reaction involved in the above case. 


Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name (i) oxidising agent, (ii) reducing agent, in this reaction.

 

Balance the following equation. Also name the products formed. 

`"Mg" + "O"_2  →  "MgO"`


Balance the following equation. Also name the product formed. 

 `"H"_2 +"CI"_2  →  "HCI"`


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. 


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

Name the reactants and the products in the above equation.


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

\[\ce{ZnCo3->[\triangle] ZnO + CO2}\]


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

Fe2O3 + 2H2 → 2Fe + 3H2O


In the chemical equation the _______ are written on the left-hand side.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×