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

Fill in the Blank Spaces by Choosing the Correct Words from the Given List. List: Amalgam, Chlorine, Gallium, Sodium Chloride, Silver Chloride Salt of Silver, Such

Advertisements
Advertisements

प्रश्न

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride  

Salt of silver, such as ________ is used for making photographic films.

रिक्त स्थान भरें
Advertisements

उत्तर

Salt of silver, such as silver chloride is used for making photographic films.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Metals and Non-metals - Additional questions 1

APPEARS IN

एस पी सिंग Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Additional questions 1 | Q 1.2

संबंधित प्रश्न

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

Write word equations of the reactions involved.


State one use of the following metal:

Copper


State one use of the following metal:

Gold


What is an alloy?


Give reasons 

Magnesium is used in fire works. 


Give reasons 

Gold is mixed with copper and nickel.  


Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  


State the position of the following in the periodic table:

Iron and zinc


Write scientific reason.

Sodium is always kept in kerosene.


Write scientific reason.

Pine oil is used in froth flotation.


Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X


Name the following:

The most reactive halogen.


Halogen reacts with acid.


Complete the following flow chart.


A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.


Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?


The metal can be cut with a knife ______.


Match the following

i. Silica a. Caustic potash
ii. Potassium hydroxide b. Sand
iii. Sodium hydroxide c. Calamine
iv. Zinc carbonate d. Caustic soda

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


X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:

______ is the metallic element.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×