Answer : The question is incomplete the complete question is attached in the answer;
Here the options which apply to the given set of conditions are
1) T<span>he plastic bag was permeable to iodine;
2) T</span><span>he iodine moved into the plastic bag;
and 3) T</span><span>he plastic bag was selectively permeable.
When we placed the plastic bag in water containing iodine it was turned into blue black colour this occurred because of the osmosis phenomenon. The plastic bag was selectively permeable to the iodine molecules which passed through the bag and changed its colour.</span>
Answer:
Explanation:an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid non-metals or semiconductors
Sodium carbonate contains 3 elements: Na, C, and O. Step 2: Determine how many atoms of each element are in the formula. Na, Co, is made up of Na, C, and O3, so Na.co, has 2 atoms of sodium (Na) 1 atom of carbon (C) and 3 atoms of oxygen (O).
Answer: Advances future technology
Explanation:
Science has led us to finding out things that give us what we have today. .