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Answer: The ‘straight string’ to a ‘coiled string’ is reversible. Explanation: Coiling a straight string into a coiled one can be done but this process can be done only under a high pressure, then it becomes reversible.
Is straight string to a coiled string is a reversible change?
Answer: Explanation: It is a reversible change.
What is a coiled string?
A coil spring is a mechanical device which is typically used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. They are made of an elastic material formed into the shape of a helix which returns to its natural length when unloaded.
Which things Cannot be reversed?
Answer: A change which cannot be reversed is called irreversible change. Setting of cement is an example of a irreversible change. Absorption of water by a sponge is an example of a reversible change. Cooking of food represents irreversible change. Digestion of food is a chemical change.
Is souring of milk a reversible change?
it is irreversible as sour milk can’t be turned to normal milk again.
Which of the following changes can be reversed * 1 point raw egg to boiled egg wet clothes to dry clothes bud to flower cow dung to Bioga?
Change Can be reversed (i) Raw egg to boiled egg No (ii) Batter to idli No (iii) Wet clothes to dry clothes No (iv) Woolen yarn to knitted sweater Yes.
Why is cow dung used in the generation of biogas?
The waste generated from kitchen and sewage from the hostels is given as feedstock to produce 600 m3 of biogas per day with cow dung as byproduct. The methane gas generated from Biogas is purified and this is used for power generation.
Can batter to idli be reversed?
Ans- Yes, this change can be reversed. Change can be reversed Raw egg boiled egg no Batter to Idli no Wet clothes to dry clothes yes Woolen yarn to knitted sweater yes.
How pop is applied?
Application of POP is a procedure, often performed by nurses. It is an extended clinical skill requiring sound knowledge, not only in the process of application, limb positioning but also the fundamentals musculoskeletal physiology.
Can be reversed example?
Conversion of ice into water and water into ice is an example of change which can be reversed.
Why a thick layer of plaster of Paris is applied over the bandage to keep the fractured bone immobilized?
Ans. When water is added to Plaster of Paris, it sets into a hard mass thus it keeps the fractured bone on its place and prevents it from moving while it heals. That’s why a thick layer of Plaster of Paris is applied over the bandage to keep the fractured bone immobilized.
Can you reverse yes or no?
No, it cannot be reversed, so it is an irreversible change.More videos on YouTube. Sr. No Change Can be reversed (Yes/No) 1 The Sawing of a piece of wood NO 2 The melting of ice candy Yes 3 Dissolving sugar in water Yes 4 The cooking of food No.
When cow dung is converted into biogas it is a reversible change?
Cow dung can be changed into Biogas but, Bio-gas cannot be changed again into Cow dung. Hence, the change is irreversible.
Can we reverse cow dung to biogas?
Conversion of biogas back to cow dung is not a revered change so we can easily fill up the table. CHANGE CAN BE REVERSED (YES or NO) Cow dung to biogas No Stretched rubber band to its normal size Yes Melting of Ice-cream Yes.
Is a reversible change?
A reversible change is a change that can be undone or reversed. If you can get back the substances you started the reaction with, that’s a reversible reaction. Examples of reversible reactions include dissolving, evaporation, melting and freezing.
Do all springs obey Hooke’s Law?
Constant force springs, in relation to Hooke’s Law, are often false exceptions. From their title and description, you would expect constant force springs not to follow Hooke’s Law. As mentioned in our constant force springs post, the material making up these springs actually does conform to Hooke’s Law.
Can we reverse Woollen yarn to knitted sweater?
Woollen yarn to knitted sweater is a reversible change because knitted yarn in this method is the result of woollen yarn and its chemical properties do not alter.
Can Ice Cream to molten ice cream be reversed?
Ice cream to molten ice cream is a reversible change because we can get back our ice cream by freezing the molten one.
How much does it cost to replace coil springs?
Coil springs are always replaced per axle. Prices start at £27 per piece, but installation costs for labour and skill to install these properly usually falls between £80 – £150 range for one side.
Why are springs coiled?
A coil spring functions by storing energy in order to release it, absorb shock or maintain force between two surfaces. If you apply too much force, you can stretch a spring beyond its limit which will permanently distort the spring.
When a woolen yarn is knitted to get a sweater The change can be classified as Dash?
When a woolen yarn is knitted to get a sweater, the change can be classified as physical change.
Which of the following changes Cannot be reversed?
Changes that cannot be reversed are called irreversible changes. Some examples are as follows : Milk into curd. Burning of wood.
Can all changes be reversed yes or no?
No, it cannot be reversed, so it is an irreversible change. Question 3: Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.
What happens if coil spring breaks?
If your car has a broken coil spring you’ll probably hear clunking, knocking noises when you drive over rough or uneven ground. A broken coil causes mis-alignment, meaning your car’s suspension angles of travel are altered, causing components to scrape or knock against each other.
What is the difference between changes that can or Cannot be reversed?
Give examples to explain the difference between changes that can or cannot be reversed. SOLUTION: (i) Folding of a paper is a reversible change because paper can be unfolded to get it back. (ii) Burning of paper is an irreversible change because we cannot get back the paper after burning it.
When water is mixed with plaster of paris pop and allowed to dry it sets into a hard mass state whether the change which occurs in pop can be reversed?
Answer: No, the change in plaster of Paris cannot be reversed. When water is added to POP, it undergoes a chemical change. Its composition changes and is converted into another substance.
Can pop be reversed?
Can the change in POP be reversed? Solution: No, the change in POP cannot be reversed because the plaster of Paris on getting mixed with water changes into a hard mass and form a new compound.
What is Woollen yarn?
Woolen (American English) or woollen (Commonwealth English) is a type of yarn made from carded wool. Woolen yarn is soft, light, stretchy, and full of air. Woolen yarn is in contrast to worsted yarn, in which the fibers are combed to lie parallel rather than carded, producing a hard, strong yarn.
