enFI25
SignificantFigure:it refers to the number of exact digits to one digit which is estimated.
HygroscopicSolid:absorb moisture from the air so that, after weighing its mass is actually larger than it actually is.
Lachrymatory:also known as tear gas
Nonluminous:blue flame
Decantation:process of separating the solid-liquid components
Solution:a homogeneous mixture of 2 or more substance whose composition maybe varied within certain limits.
Singlereplacement:reaction in which one element reacts by taking the place of another element in a compound
Concentration:refers to the amount of solute present in given volume of solution.
Chemicalreaction:alter the composition of a substance
Molarity:refers to the number of moles of solute per liter.
ColligativeProperties:depends upon the number of particles of solute present in a solution.
Distillation:process of separating liquid
Endothermic:absorb heat
Ruler:most common device used for measuring length.
Phenolphthaleinindicator:indicator to detect acid, base or neutral
Graduatedcylinder:used for measuring liquid volumes in which the accuracy required is not greater than about 5%
Measurement:process of comparing something with a standard.
Molality:refers to the number of solute per kilogram of solution.
Exothermic:release heat at the time of their occurrence.
PeriodicLaw:States that: "Properties of elements are periodic functions of their atomic number".
Luminousflame:yellow flame
Pipette:device calibrated to contain and or deliver a specific volume of liquid
Metathetical Reaction:do not involve any changes in valence or oxidation state.
Unit:Gives meaning to the process
Accuracy:Smallest exact value
Chromatography:process of separating the substances in a complex mixture
Solute:substance that is dissolved by liquid
Solvent:substance (usually liquid) capable of dissolving another substance.
Combination:reaction in which two or more substance combine to form a single product.
Decomposition:reaction in which a single substance breaks down into two or more substance.
Smallest exact value
alter the composition of a substance
process of separating the substances in a complex mixture
depends upon the number of particles of solute present in a solution.
reaction in which two or more substance combine to form a single product.
refers to the amount of solute present in given volume of solution.
process of separating the solid-liquid components
reaction in which a single substance breaks down into two or more substance.
process of separating liquid
absorb heat
absorb moisture from the air so that, after weighing its mass is actually larger than it actually is.
also known as tear gas
process of comparing something with a standard.
refers to the number of solute per kilogram of solution.
refers to the number of moles of solute per liter.
blue flame
indicator to detect acid, base or neutral
device calibrated to contain and or deliver a specific volume of liquid
most common device used for measuring length.
it refers to the number of exact digits to one digit which is estimated.
reaction in which one element reacts by taking the place of another element in a compound
substance that is dissolved by liquid
a homogeneous mixture of 2 or more substance whose composition maybe varied within certain limits.
substance (usually liquid) capable of dissolving another substance.