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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
is burning of candle a reversible or irreversible change?
is melting of wax a reversible or irreversible change?
please give examples of reversable and irreversable change
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
Mention two changes that can be brought by applying pressure
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.
what is the difference between rolling of chapatti from doug and baking of chapatti
why is boiling of potato a chemical change even though there is no change in property?
Why do changes occur around us? Explain it with examples.
what is physical change, chemical change, slow change, fast change, periodic change, non-periodic change, desirable change and undesirable change ?
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 ?
NAME THREE WASTE PRODUCTS THAT WE EXCRETE?
list some examples of
contraction in solid, liquid and gas.
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 is it not advisable to sieve wheat flour?
name two dishes that are reversible?
When ice melts it forms water. Ice and water have very different properties. Why then do we say that melting is a physical change?
why do pipes usually crack in winter?
Is cutting paper a reversible change or a irreversible change? Can you tape the cutten paper into the original substance?!
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
Write true or false
1-Rotation of a fan is a fast change .
2-Eruption of a volcano is a desirable change.
3-Heat is absorbed or liberated during a change involving energy .
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 .
give two examples to show that when substances are mixed ,it may result in a chemical or a physical change depending on the conditions
What is Reversible and Irreversible changes ?
Is cutting of paper an irreversible or reversible change? Our teacher told us that cutting of paper is a reversible change as chemical property is not change only size is decreased so it sould not come under irreversible change
Light from the Sun reaches us in nearly
A. 8 secs
B. 800 secs
C. 480 secs
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