What is an acid?
substance that contains hydrogen ions which it can give to another substance.
A substance that contain hydrogen ions
None of the above
All of the above
What is this
A volumetric pipette
A graduated burrette
A graduated pipette
A volumetric burrette
What is the equation for metal carbonate and and acid?
Metal carbonate+acid=salt+water+calcium
Metal carbonate+acid=salt+hydrogen
Metal carbonate+acid=salt+water
Metal carbonate+acid=salt+water+carbon dioxide
which method includes a soluble salt and an insoluble salt?
Precipitation
Titration
Excess solid method
which 2 compounds are insoluble?
potassium chloride and sodium sulphide
silver nitrate and barium chloride
sodium nitrate and lead nitrate
silver chloride and lead chloride
What is the formula for nitrates
(NO3)1-
(OH)1-
(CO3)2-
(NH4)1
What is the formula for Magnesium Bromide
MgBr2
MgBr
MgO
Pb(NO3)2
The elements were first put in the periodic table by a Russian scientist called........................
Mendeleev
Abram
Borya
Darya
Por favor espera - en proceso…