Question

a student was given four unknown colourless sample labelled A,B,C & D asked to test their pH using pH paper .He observed that the colour of pH turned into light green,dark red, light orange and dark blue with samples A,B,C and D respectively. The correct sequence of increasing order of the pH value for the sample is
a.A<B<C<D
b.C<B<A<D
c.A<D<C<B
d.B<C<A<D​

Answer 1

Answer:

State two units of mass bigger than a kilogram.

Give their relationship with kilogram.

Explanation:

DARK BLOOD MOON SCAR.

Answer 2

Answer:

I don't know I am in 8th

please if you will get the answer plaese explain it to me