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give me 10 examples of reversible and irriversible changes and the ans can only give by meritnation experts and the ans will reach to me in only 1 day otherwise i will disconect you
MELTING OF ICE IS A PHYSICAL CHANGE.WHY
Burning of candle is physical change or chemical change
please give examples of reversable and irreversable change
is burning of candle a reversible or irreversible change?
is melting of wax a reversible or irreversible change?
Why do changes occur around us? Explain it with examples.
give four examples of periodic changes.
Give examples of slow, fast, reversible, irreversible changes
a potter shapes pots out of clay. He then bakes the pots in an oven. Identify the reversible and irreversible changes taking place in the process.Give reason to support of your answer
WHAT IS NON PERIODIC CHANGE
why do pipes usually crack in winter?
respiration of animals is an reversible change or irreversible change ?
DISSOLVING SUGAR IN WATER IS A REVERSIBLE CHANGE?
What is the difference between reversible and irreversible change?
What is difference between slow change and fast change?
Explain how burning of LPG in a gas stove involves both physical and chemical changes.
Give any other example of the same kind from everyday life.
why is boiling of potato a chemical change even though there is no change in property?
what is physical change, chemical change, slow change, fast change, periodic change, non-periodic change, desirable change and undesirable change ?
Why do we need to study change ? Explain
all physical changes are reversible and only chemical changes are irreversible.do you agree?give reasons and examples.
who invented television?
identify two changes that can be reversed while preparing dishes at home
What are periodic and non-periodic changes ?
When whisked egg is heated, it forms a lump. Can this change be reversed?
why are iron water pipes galvanised
define-1. slow change 2. fast change
ans needed urgently
why is germination of seeds a chemical change?
HOT QUESTION: THINK AND ANSWER:
1) Tearing of paper is irreversible. It is, therefore , a chemical change. Do you agree? Give reasons.
2) A potato remains a potato even after it is cooked. Therefore, cooking is a physical change. Do you agree? Give reasons.
3) When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is chemical change. Do you agree? Give reasons.
If we break a glass it is reversible change or irreversible?
why doesan inflated ballon shrink insize whenkept inside a freezer
Why is it not advisable to sieve wheat flour?
1. Differentiate between.
a) Reversible and irreversible changes.
b) Absorption and release of heat in a physical change.
c) Characteristics of physical and chemical changes.
NAME THREE WASTE PRODUCTS THAT WE EXCRETE?
the last vedio is not opening
Is cutting paper a reversible change or a irreversible change? Can you tape the cutten paper into the original substance?!
list some examples of
contraction in solid, liquid and gas.
what is the difference between the following changes
i rolling of chapatti and baking of chapati
Explain why the idli batter rises when kept overnight without refrigeration
What is a periodic change??
Burning of candle is a physical or a chemical change . Why ?
pls explain .
A Potter shapes pots out of clay then bakes the pots in an oven . Identify the reversible ans irreversible changes taking place in the process .
what is a physical change.
give two examples to show that when substances are mixed ,it may result in a chemical or a physical change depending on the conditions
how does rainbow appear after the rain and why does it appear? tell me in detail
What is Reversible and Irreversible changes ?
what is expansion of steel rim
Light from the Sun reaches us in nearly
A. 8 secs
B. 800 secs
C. 480 secs
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