मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Write ‘True’ Or ‘False’ in Front of Following Statements. Brass is an Alloy of Copper and Zinc and Has Lustrous Yellow Colour.

Advertisements
Advertisements

प्रश्न

Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
Advertisements

उत्तर

True.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Metals and Non-metals - Additional questions 1

APPEARS IN

एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 1 | Q 4.2

संबंधित प्रश्‍न

Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.

(a) How will she find the nature of the gas?

(b) Write down word equations of all the reactions taking place in this process.


Write the name and formula of a metal hydride.


Which property of graphite is utilised in making electrodes?


A metal having low melting point is ______ but a non-metal having very high melting point is ______.


State one use of the following metal:

Silver


What is a thermite reaction? Explain with the help of an equation.


How are the properties of an alloy different from those of the constituent elements?


State two important uses of following metal: 

Uses of silver  


State two important uses of following metal

Uses of mercury  


Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Water.


Write name.

Molecular formula of the common ore of aluminium.


When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.


What is it made from? Why?

Ornaments


With reference to the following metals state their use in daily life metal:

iron


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


State a specific reason for using copper in electrical cables


Soft metal : Na : : hard metal : _______


Which one of the following four metals would be displaced from the solution of its salts by other three metals?


Metals are ______ conductors of heat and electricity.


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

______ is the reducing agent.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×