Four properties of water are listed.
1. it is colorless and odorless in its pure form.
2. it reacts with metals to form metal hydroxide and hydrogen gas.
3. when heated to 100 °c, water evaporates.
4. it decomposes to form hydrogen and oxygen.
which are the physical properties of water?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

How many grams of aluminum will there be in 98g of al2o3?

What are the chemical names of these compounds? ke: mg3n2: reset next