Both the vertical and horizontal cross-section would be a square. The cross-sections are the same because all of a cube's dimensions are the same. A cube is made up of 6 congruent square faces.
Answer:
First put options............
Direct variation will be straight and diagonal lines
Inverse variation will be curved lines
Answer:
Well by looking at the products,it must be sodium bicarbonate (NaHCO3)
Step-by-step explanation:
but then sodium bicarbonate does not remove permanent hardness of water,that compound is washing soda(Na2CO3) which should not be confused with NaHCO3. So as it would appear,the premise of the question is wrong but there is a compound that reacts with HCl to give those products
