SCIENCE PRACTICE

PRESSURE=?

• FORCE X 2

• FORCE - PRESSURE

• FORCE / AREA

• AREA / FORCE X 2/5

A FORCE EXERTED PER UNIT AREA IS CALLED _________.

FORCE HAS _________ AS WELL AS _________.

WATER IN RIVER FLOWS______________ DUE TO THE FORCE OF GRAVITY.

• DIRECTION

• BOUYANT

• IN WARDS

• DOWNWARDS

• MAGNITUDE OF INTERACTION

POTASSIUM OXIDE

1.LITHIUM OXIDE

2. 2.CALCIUM CARBONATE

3. 3.MAGNESIUM CARBONATE

• 1.LIO2

  2. 2. BR3F2

  3. 3. CACL3

• 1.Li2O

  2.CaCl3

  3.Mg2CO3

• OLI

  CAL3

  MG6O5

IF VALENCY OF NITROGEN IS 3 AND HYDROGEN IS 1. WORKOUT ON THE FORMULA?

• NH30

• NH3

• Nhf3

• Ni3

AMMONIUM SULPHATE

• NH34SO2

• (NH3)So4

• N(h2)so2

• (NH4)4SO4