Which of the following is an example of chemical change

Asked by admin @ 02/08/2021 in Science viewed by 268 People

20 examples of the chemical change

Answered by admin @ 02/08/2021

1.burning of paper.
2.cooking of food
3.burning of wood
4.ripening of fruits
5.rotting of fruits.
6.frying egg
7.rusting of iron
8.mixing acid and base.
9.burning of candle
10.leaves changing color
11.melting of sugar.
12.baking
13.explosion of fireworks.
14.souring milk
15.digestion of food
16.fermentation
17.lighting matchstick
18.photosynthesis
19.decomposition of waste
20.making popcorn

Which of the following is a chemical change

Asked by admin @ 24/08/2021 in Chemistry viewed by 313 persons

Which of the following is a chemical change? 1] Cutting of tree 2] Rusting of iron 3] Burning of candle 4] Water converting into steam

Which among the following are physical or chemical changes

Asked by admin @ 23/08/2021 in Science viewed by 381 persons

Which among the following are physical or chemical change? 1. evaporation of petrol 2.burning of LPG gas. 3.heating of iron rod to red hot. 4.curdling of milk 5.sublimation of solid …

Which one of the following is a chemical change

Asked by admin @ 11/08/2021 in Chemistry viewed by 356 persons

which one of the following is a chemical change? Give reason. a) Burning of wax b) Melting of wax

Which of the following is not a chemical change

Asked by admin @ 10/08/2021 in Chemistry viewed by 387 persons

1. Which of the following is not a chemical change? a) Formation of curd b) ripening of banana c) corrosion of irond) melting of wax

Which one of the following is not a chemical change

Asked by admin @ 04/08/2021 in Chemistry viewed by 348 persons

1. Which of the following is not a chemical change? a) Formation of curd b) ripening of banana c) corrosion of irond) melting of wax

Which of the following is an example of physical change

Asked by admin @ 02/08/2021 in Science viewed by 322 persons

Which of the following is an example of a physical change, but not a chemical change? 1 point C. a log gives off light and heat as it burns A. …

Which of these is an example of a chemical change

Asked by maham237 @ 22/07/2021 in Biology viewed by 274 persons

A.Dissolving salt in water B.Melting Ice C.Burning a piece of wood D.Breaking a tree branch

Which of the following is an example of chemical weathering

Asked by maham237 @ 29/12/2020 in Social Studies viewed by 285 persons

Which of the following is an example of chemical weathering? water breaking rocks plant roots splitting rocks acid dissolving limestone wind breaking down rock

Which of the following does not indicate that a chemical change may have taken place

Asked by maham237 @ 24/12/2020 in Chemistry viewed by 379 persons

Which of the following does NOT indicate change may have taken place? . . A - Fracture Formation. B - Gas Production . C - Precipitate Formation . D - …

Classify the following as physical and chemical changes

Asked by admin @ 31/08/2021 in Science viewed by 395 persons

Classify the following as chemical or physical changes: • cutting of trees, • melting of butter in a pan, • rusting of almirah, • boiling of water to form steam, …

Classify the following as chemical or physical changes

Asked by admin @ 25/08/2021 in Science viewed by 332 persons

Classify the following as chemical or physical changes: • cutting of trees, • melting of butter in a pan, • rusting of almirah, • boiling of water to form steam, …

Which of the following is an example of observer bias

Asked by admin @ 03/12/2021 in Social Studies viewed by 406 persons

What is an example of actor-observer bias?

Which of the following is an example of malicious code

Asked by admin @ 26/11/2021 in Physics viewed by 338 persons

Multiple Choice Which of the following is not an example of malicious code? A Trojan horse B worm C virus D. spy gear

Which of the following examples describes heat transfer by radiation

Asked by admin @ 26/11/2021 in Chemistry viewed by 430 persons

Which of these describe radiation? A: transfer of heat between two objects that are touching B: transfer of heat by the actual movement of warmed matter C: the process in …