Saad

Why do metal oxides when dissolving in water make an alkaline solution? And Why non-metal oxides dissolve in water and become acids ? Is this a concept that has to be learned or is there a rule or a defintion for it

A 5.0 uF capacitor is charged to a p.d of 10v. It is then removed from the supply and connected in parallel with an uncharged 20 uF capacitor. Calculate the charge on each capacitor after connection (My working so far, 5×10^-6×10=5×10^-5C )I am stumped on...

What sum will amount to Rs 1748 in 5/2 years at 15/2 % per annum simple interest.

Kyla combined two amounts of cherries and then removed some. She ended up with 4.523 kg of cherries. What might the masses have been? pls respond i need help with this

John is j years old the product of his younger brothers and older sisters age is j^2-2j-15 how old are Jones, brother and sister, in terms of Jones age

A clock is slow by 300s in 1 week. How many seconds wil it lose in 14 days?

1) You should have been taught about the equations relating speed acceleration, time and distance. One is simply speed = acceleration * time, v =a*t. Another is one that says distance covered is average velocity * time. since the sled starts at rest, and...

A man of mass 90kg is moving at a constant velocity he has a kinetic energy of 2205kg calculate his velocity

Pls a need the answer from you

Can you tell the formula

Nice Question .I have clear

That equation