Question

Na2O+Mg(OH)2 K+HF K+CO

Answer 1

1) основный оксид с основой не реагирует 2 тоже не реагирует 3 кислотный оксид+металл =!

Answer 2

The given chemical expressions appear to be chemical reactions or combinations of compounds. Let's analyze each one:

1. Na2O + Mg(OH)2: This is a double displacement reaction. Na2O (sodium oxide) reacts with Mg(OH)2 (magnesium hydroxide) to form NaOH (sodium hydroxide) and MgO (magnesium oxide):

   Na2O + Mg(OH)2 → 2NaOH + MgO

2. K+HF: The expression "K+HF" suggests the combination of potassium (K) and hydrogen fluoride (HF). However, the reaction is incomplete. It is important to note that the charges on the ions should be specified for a balanced equation. Assuming the formation of potassium fluoride (KF), the balanced equation would be:

   2K + 2HF → 2KF + H2

3. K+CO: The expression "K+CO" seems incomplete and unclear. Without further information or context, it is difficult to determine the specific reaction or combination of compounds. If you can provide additional details, I would be happy to assist you further.