Due to the pandemic the uses of hand sanitizers are very important a us. Predict and explain the colour of the solution and pH value when red cabbage
indicator was added to the hand sanitizers.​

What is important to study for nios grade 12 chemistry? i have only one month left.

Define the kinetic molecular theory

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.