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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?
list some examples of
contraction in solid, liquid and gas.
DISSOLVING SUGAR IN WATER IS A REVERSIBLE CHANGE?
give four examples of periodic changes.
respiration of animals is an reversible change or irreversible change ?
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 changes occur around us? Explain it with examples.
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 ?
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
is their any difference between physical and reversible changes and chemical and irreversible changes.explain
What are periodic and non-periodic 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
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.
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.
why doesan inflated ballon shrink insize whenkept inside a freezer
If we break a glass it is reversible change or irreversible?
Why is it not advisable to sieve wheat flour?
why do pipes usually crack in winter?
Burning of candle is a physical or a chemical change . Why ?
pls explain .
Is cutting paper a reversible change or a irreversible change? Can you tape the cutten paper into the original substance?!
State whether the following changes are chemical or physical in nature
a). Boiling of water
b). Tearing of cloth
c). Making lemonade.
d). Lighting a diya.
e). Chewing food.
f). Breaking a plastic stick.
g). Rusting of nail.
h). Burning gas in a gas stove.
i). Melting of ice cream
j) Cutting wood
k). Cooking food
l). Stretching a rubber band
what is the difference between the following changes
i rolling of chapatti and baking of chapati
is heating sugar a physical change or a chemicle change ?
Explain why the idli batter rises when kept overnight without refrigeration
What is a periodic change??
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 .
is dissolving salt in water reversible or irreversible and is boiling of salt water reversible or irreversible?
give two examples to show that when substances are mixed ,it may result in a chemical or a physical change depending on the conditions
Is cotton Reversible or irreversible
Why do we need to study change ? Explain
What is Reversible and Irreversible changes ?
Light from the Sun reaches us in nearly
A. 8 secs
B. 800 secs
C. 480 secs
name of scientist who discovered atom
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