What was so great about Frederick the Great?

What was so great about Frederick the Great? An enlightened absolute monarch, he favoured French language and art and built a French Rococo palace, Sanssouci, near Berlin. Frederick, the third king of Prussia, ranks among the two or three dominant figures in the history of modern Germany. Under his leadership Prussia became one of the […]

How many chemicals are there in water?

How many chemicals are there in water? Effects of Waterborne Contaminants on Health The U.S. EPA has set standards for more than 80 contaminants that may occur in drinking water and pose a risk to human health. Can you boil tap water to purify it? Boil water, if you do not have bottled water. Boiling […]

What is letter H in Korean?

What is letter H in Korean? 한 Consonant; “ㅎ” sounds like the letter H as in hotel. Vowel; “ㅏ” sounds like the letter A as in father. Is Ni a Chinese name? Ni is the Mandarin pinyin and Wade–Giles romanization of the Chinese surname written 倪 in Chinese character….Ni (surname) Pronunciation Ni (Mandarin) Ngai (Cantonese) […]

Does vinegar lower pH in water?

Does vinegar lower pH in water? Vinegar’s pH can change if additional ingredients are added to it. For example, if you dilute vinegar with water, its acidity lessens, making its pH level rise. What are the effects of drinking unsafe water? Contaminated water can transmit diseases such diarrhoea, cholera, dysentery, typhoid, and polio. Contaminated drinking […]

Is formaldehyde acidic or basic?

Is formaldehyde acidic or basic? Like all aldehydes, formaldehyde absorbs oxygen comparatively readily even from the air and is thereby oxidised to formic acid. Solutions of formaldehyde attain fairly rapidly and maintain a pH of 3.5 or even of 3. Is formaldehyde and formalin the same? Formalin is an alternative name for an aqueous solution […]

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