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सी.आई.एस.सी.ई.आईसीएसई 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. - Chemistry

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प्रश्न

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

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

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

True.

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

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Additional questions 1 | Q 4.2

संबंधित प्रश्न

Mark ‘T’ if the statement is true and ‘F’ if it is false.

Generally, non-metals react with acids. ( )


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 formulae of  a metal hydride.


State one use of Silver.


What is an amalgam?


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


Name a metal which is best conductor of electricity :  


State two important uses of following metal: 

Uses of gold  


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

Sulphuric acid


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

iron


Name the following:

The most reactive halogen.


Name the following:

A metal used in packaging.


Name the following:

The chemical compound responsible for the green deposit on the surface of articles of copper.


The minerals from which the metal can be separated economically are called _______.


Complete the following flow chart.


Why are bells made of metals?


Can you store pickle in an aluminium utensil? Give reason.


Which of the following property is generally not shown by metals?


A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.


Compare the conductivity of metals and non–metals.


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