when sugar is dissolved in water there is no increase in volume.comment
an inflated air ballon deflates when pricked with a pin. which property of the gaseous state is shown
give some more examples of deposition?
why naphthalene balls become smaller gradually
What is the role of fractionating column in fractional distillation ?Why can`t fractional distillation occur without a fractionating column ?What is the role of thermometer in distillation ?
when iron is heated with sulphur,iron sulphide is formed.The total mass of iron and sulphur is equal to the mass of iron sulphide.why?
what is landolt's experiment ?
all substances cannot be changed from one state to another.give an example.
Iron(II)Sulphate+ Ammonium Hydroxide balanced equation
Why ice at zero degree celsius produces more cooling effect than water at 100 degree celsius?
Name a gas that can be liquefied under pressure at ordinary temperature???
A given substance P has a definite volume no fixed shape and is almost incompressible. What is the physical state of P? give two examples of the physical state
how can the boiling point of a liquid be raised ,without adding any soluble impurity?
on heating a sublimable solid the interparticle attraction is overcome why?
when sugar is dissolved in water there is no increase in volume.comment
an inflated air ballon deflates when pricked with a pin. which property of the gaseous state is shown
give some more examples of deposition?
why naphthalene balls become smaller gradually
What is the role of fractionating column in fractional distillation ?Why can`t fractional distillation occur without a fractionating column ?What is the role of thermometer in distillation ?
(a)Size of naphthalene balls decreases.
(b)Solid wax left out in the sun.
(c)Drying of wet clothes .
(d)Formation of clouds.
when iron is heated with sulphur,iron sulphide is formed.The total mass of iron and sulphur is equal to the mass of iron sulphide.why?
what is landolt's experiment ?
all substances cannot be changed from one state to another.give an example.
Iron(II)Sulphate+ Ammonium Hydroxide balanced equation
Why ice at zero degree celsius produces more cooling effect than water at 100 degree celsius?
Name a gas that can be liquefied under pressure at ordinary temperature???
A given substance P has a definite volume no fixed shape and is almost incompressible. What is the physical state of P? give two examples of the physical state
how can the boiling point of a liquid be raised ,without adding any soluble impurity?
on heating a sublimable solid the interparticle attraction is overcome why?