Name the color scheme you get by mixing different tones, shades and tints within a specific hue

Name the two different apertures present within the heart.

What is mean by specific heat capacity ? [OR Define specific heat capacity.] How will you prove experimentally that different substances have different specific heat capacities ?

If you mix oil in the water then oil keeps floating on water but in detergent water it gets mixed this is because

The coolant in a chemical or nuclear plant (i.e. the liquid used to prevent different parts of a plant from getting too hot) should have hight specific heat, comment?