Foveolar cells and mucous neck cells secrete bicarbonate and mucus. Parietal cells secrete hydrochloric acid. Chief cells secrete pepsinogen. Enteroendocrine cells secrete various hormones. However, ...

Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

In order to remove the ambiguity brought along by the General Sales Tax, the Value Added Tax or VAT was brought into existence. It was a levy that was collected from the producers of certain goods and ...

More than 1,000 private schools will sue the Government en masse over its VAT raid on fees. The Independent Schools Council (ISC) announced its members had voted in favour of launching a High ...

Test for calcium carbonate by applying acid to the suspected rock to look for any fizzing. Vinegar is often used for this purpose, although geologists will use hydrochloric acid, which is more ...

The US presidential election is in its final stage, with Kamala Harris and Donald Trump vying for victory. Seven swing states, including Arizona, Georgia, and Pennsylvania, are expected to ...

When adding rocks avoid those containing lime. If in doubt use the acid test: drip some white vinegar (or better still a diluted hydrochloric acid solution) onto the rock. If it bubbles, it has lime, ...