This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following does not represent a chemical change? (Read 19 times)

byomi

  • Full Member
  • ***
  • Posts: 130
on: Nov 5, 2023

Question 1

Which one of the following represents a chemical change?

◦ boiling water to form steam
◦ burning a piece of coal
◦ heating lead until it melts
◦ mixing iron filings and sand at room temperature
◦ breaking glass

Question 2

Which of the following does not represent a chemical change?

◦ a freshly cut apple turns brown
◦ milk turns sour on standing at room temperature
◦ when cooled to 0°C, liquid water becomes ice
◦ frying an egg
◦ fermentation of sugar to alcohol
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by byomi on Nov 5, 2023

Sha

  • Full Member
  • ***
  • Posts: 179
Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly


byomi

  • Member
  • Posts: 130
Reply 2 on: Nov 5, 2023
Excellent

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

11.2 The chemical structure of mescaline, derived from the peyote cactus 11.2 The chemical structure of mescaline, derived from the peyote cactus
Chemical Warfare Agents and Treatments Chemical Warfare Agents and Treatments
Chemical similarities between para-aminobenzoic acid and sulfonamides. Chemical similarities between para-aminobenzoic acid and sulfonamides.
Population Growth and Change Population Growth and Change
The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ... The NIOSH Pocket Guide entry for gasoline. Useful information includes health effects and chemical ...
How to solve any percent change problem How to solve any percent change problem
Video: Acids and bases - definition

For a complete list of videos, visit our video library