Skip to main content

All Questions

Filter by
Sorted by
Tagged with
2 votes
1 answer
3k views

What is formed when hydrogen peroxide reacts with titanium?

I just got night contact lenses, and you are supposed to use a "one-step" cleaning solution to clean it over a period of six hours. At the bottom of the lenses case, there is a "titanium plate ...
Jason Chen's user avatar
0 votes
0 answers
2k views

How do I clean a silk tie at the knot?

I would like to know how I can clean a silk tie at the knot. I presume it got filthy, over time, due to "fatty" fingers. I am looking for answers either based on 1) good theory or 2) personal ...
Řídící's user avatar
6 votes
3 answers
1k views

How to achieve clean dishes and glasses?

I heard that there is a standard about cleaned glass, namely Chemically clean glass supports a uniform film of water, with no hanging droplets visible. I tried to clean my dishes at home using ...
user26143's user avatar
  • 635
7 votes
4 answers
8k views

Distilled water to clean greasy stains: Why does that work?

I noticed that distilled water works well to clean away fingerprints on touchscreens or oil stains on a ceramic field after frying an egg. But water and oil/fat are not supposed to mix, so why does ...
arney's user avatar
  • 179
7 votes
1 answer
32k views

Which reagent can I use to remove carbon from oven?

I have a practical question: today I have to clean the oven, and it doesn't have self cleaning burn down mode, nor an official scraper I can use... It's full of charred grease and sugar. I managed to ...
Calmarius's user avatar
  • 249
4 votes
1 answer
70k views

Deodorizing using baking powder instead of baking soda

I am an engineer and I understand the difference between baking power and baking soda as baking powder is baking soda (alkali) with tartaric acid (acidic) and an inert starch (why? Is this a catalyst ...
dearN's user avatar
  • 283

1
2