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list some uses of non metals [at least 10 uses]
what are the uses of metals and nonmetals
uses of 5 metals and non metals in our daily life.
Give 10 examples of non- metals.
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
Find out the location of the deposits of iron, alimunium and zinc in india?
why is acetic acid written as CH3COOH and not like C2H4O2?i want an experts answer fast.....
why gold is found in free state but iron is not?
What Is Thermite Reaction?
If you are an engineer constructing a multi-storey building, which alloy would you be extensively using and why?
Fe + O2 + H2O -----> ?
A metal was burnt in air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result can we expect ?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
list of metals with their
Why sodium does not react with kerosene?
name a non-metal that is a good conductor of heat and electricity
what do u mean by reactivity series of metals?
what is the latin name of platinum
Wht happens when zinc strip is dipped into copper sulphate solution?
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
give examples of malleable, ductile, sonorous materials
what precautions we should have to take while handling the equipments containing mercury?
Q.1. can you store lemon pickle in an aluminium utensil?explain
Q2. give reasons for the following.
a. aluminium foils are used to wrap food items.
b.immersions rods for heating liquid are made up of metalic substance.
c. copper cannot displace zinc from its salt solution.
d.sodium and potasium are stored in kerosene.
is plastic a non metal? if no, then why not? if yes, then why is it written in the column " properties of non-metals " that all non- metals are soft and can be easily broken? i need a perfect explanation
Rust is a basic or acidic oxide?
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
material :metels and non metelscomes in physics or chemistry
Why are sodium and potassium stored under kerosene Oil.
give an example of reaction of non metal with bases
Suppose copper is high up in the reactivity series.Would it still have been such a useful metal ? Give reasons .
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
why is it so that copper reacts with H2SO4 and HNO3 only but not with HCl?
my school teacher says that copper reacts with sulphuric acid and nitric acid but not with hydrochloric acid and my tution sir says that copper doesnot reacts with acids at all.what is the real thing??
meritnation experts please!!!!!
Why zinc is more reactive than copper?
name a non metal which has metallic lustre.
write the reactivity series of metals
Can u pls summarise all the chemical equations in the chp metals and non metals class 8
Prepare Index cards for any four metals and four non-metals. The card should have information like name of metal/non metal;It's physical properties ,chemical properties and it's uses.
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
Why can't copper displace zinc from its salt solution ?
why lemon pickle is not stored in aluminium utensils
What are the physical and chemical properties of metals and non-metals?
why magnesium hydroxide turns red litmus paper blue? PLS ANSWER AS QUICK AS YOU CAN MERITNATION EXPERTS!!!1 PLS
what is sonority? explain in detail
How to prepare Index card on 4 metals and 4 non-matals with the information like name of matals/nonmatals , its physical properties , chemical properties and uses ???????????
please tell faster
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
what are the elements called which can neither fit with metals nor non metals ?
why immersion rods for heating liquids are made up of metallic substances?????
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
Which non metal is used in vulcanization of rubber and why??
what is meaning of lusture
A compound `X` is used for drinking, has pH =7.Its acidified solution undergoes decomposition in presence of electricity to produce gases `Y` and `Z` The volume of Y is double than Z. Y is highly combustible whereas Z is supporter of combustion .Identify X, Y & Z and writes thechemical reactions involved.
why is gold preferred for making jewellery?
why are metals used making machinery?
write an activity to show metals are ductile
how do metals react with acids? explain through examples.
Silver is more likely to tarnish near a petroleum refinery than in a place far away . Explain why?
Why carbon fibre is a non metal although having the property of ductility
Prepare imdex cards for any four metals and non-metals. The card should have information like name of the matal/non-metal, its physical properties, chemical properties and uses.
Why is the coil of a heating element of a heater made from a metal?
Why sodium is kept is kerosene..?
1) A suspension of rust in water turns __________litmus ____________.
2)In general, metallic oxides are ___________ in nature whereas oxides of non metals are _________ in nature.
5) Metals react with acids to produce___________ gas which burns with a __________ sound.
7) The elements which possess character of both metals and non metals are called __________.
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
An oxide solution of which of the following elements will turn blue litmus red?
what happens when dilute sulphuric acid is poured oon copper plate?
names of places in india where gold copper and iron mines are located
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
elements which do not react chemically are known as?
give me some poster ideas for the topic `say no to plastics`
Three pins made of copper, aluminium and iron respectively are kept i moist air for several days.The pin that that will rust is
a)copper b)aluminium c)iron d)all
Two difference between metal non metal ???
what are metalloids? give two examples.
what is sonorous?
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