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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Name the Metals Present in the Following Alloys Stainless Steel - Chemistry

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प्रश्न

Name the metals present in the following alloys  

Stainless steel   

एक पंक्ति में उत्तर

उत्तर

Stainless steel— Iron, chromium, nickel

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अध्याय 6: Metals and Non-metals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Exercise | Q 5.4

संबंधित प्रश्न

Choose the most appropriate answer of the following:

This is not an alloy of copper:

(A) Brass

(B) Bronze

(C) Solder

(D) Duralumin.


Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.


State any five physical properties of non-metals.


The electronic configurations of three elements A, B and C are as follows:

A 2, 8, 1
B 2, 8, 7
C 2, 4

(a) Which of these element is a metal?
(b) Which of these elements are non-metals?
(c) Which two elements will combine to form an ionic bond?
(d) Which two elements will combine to form a covalent bond?
(e) Which element will form an anion of valency 1?


Name a metal as precious as gold  


 Name a metal that can be cut with knife   


Name a non-metal that is used for filling into electric bulbs 


State two important uses of following non-metal 

Uses of graphite  


Name:

a metal which can float on water


`Mg +H_2SO_4 → —+ — `


Give the effect of heat on metal oxides based on the activity series ?


Why do gold ornaments look new even after several years of use? 


Identify the odd term.


What are the metals that make the alloys brass and bronze?


Which metal occurs as a carbonate also gives the name of their respective ore.


Give the common name and chemical name of an ore of:

(a) zinc (b) aluminium (c) iron.


Give a reason why – properties of metals are related to their activity or reactivity series of metals. Explain the same with reference to potassium and iron in the series.


______ is the only non-metal which conducts electricity.


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