Answer:
Have you ever noticed that the night sky in winter looks different than the summer? We see constellations at different times of the year - spring, summer, fall, & winter. This occurs because the Earth is orbiting the Sun. ... In summer, we see the opposite (we see Scorpius at night and Orion is in the sky during the day).
a pure substance - glass cleaner.
a mechanical mixture - soil, baking powder
or a solution - Perfume
Answer:
Sodium + Water = Sodium Hydroxide + Dihydrogen
Explanation:
eaction of sodium with water
Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.