One of the analytical version chemistry puzzle activities (answers revealed)
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1. Nine months of pregnancy (guess a chemical term) – Ion 2. White and hard; it remains raw even after being burned, but becomes cooked when water is poured on it (guess a building material) – Lime. Last edited by Canghai Yili Sand on 2009-3-4 12:07
1. Ions； 2. Lime.
1. Molecule 2. Lime: victory:
1 Ions 2 Quicklime; it shouldn’t be entirely wrong
Nine months of pregnancy (guess a chemical term): Ion. White and hard; it remains raw even after being burned, but becomes cooked when water is poured on it (guess a building material name): Calcium carbonate
1. Molecules or ions 2. Quicklime
This activity is fun! The answer DAVID-2 on floor 8 seems correct. I won’t say more
1 is an ion, 2 is lime. This activity is interesting; it’s recommended to continue with it
I think the answers are: 1. Molecules (it is molecules that can release ions; for example, H2SO4 can release H+). 2. Lime
1. Molecule, meaning **separation**. 2. Quicklime (calcium oxide)
1. Molecules or ions 2. Lime
Nine months of pregnancy: Ions – white, hard; whether burned or raw, it becomes ready to use once water is added to it: quicklime
I guess it’s molecules and calcium carbonate:victory: