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

Name the Following: the Most Reactive Halogen. - Chemistry

Advertisements
Advertisements

प्रश्न

Name the following:

The most reactive halogen.

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Fluorine

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Metals and Non-metals - Objective Type Questions

APPEARS IN

विराफ जे दलाल New Simplified Middle School Chemistry [English] Class 7
अध्याय 6 Metals and Non-metals
Objective Type Questions | Q 3.1

संबंधित प्रश्न

Give reasons for the following.

Sodium and potassium are stored in kerosene.


What happens when Dilute sulphuric acid is poured on a copper plate?

Write word equations of the reactions involved.


State one use of Aluminium.


The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?


What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.


How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?


Give reasons 

Magnesium is used in fire works. 


Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  


Write name.

The device used for grinding an ore.


State the position of the following in the periodic table:

Halogens


What is it made from? Why?

Electric cables


Give a reason why a green deposit is seen on the surface of an article of copper


Name the following:

A metal used in flexible pipes.


Name the following:

A halogen which is a solid at room temperature.


Which one of the following is an example for a metal?


In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.

  1. ______  is a metal.
  2. Metals are good ______ of electricity. 

Metals and non–metals are used for making ______, ______ and ______.


Metals are ______ conductors of heat and electricity.


The metals which are found in both free state as well as combined state are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×