Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are
Correct Answer: 3
Which of the following condition is not satisfied by an ideal solution?
Correct Answer: 4
The boiling point of an azeotropic mixture of water and ethanol is less than that of water and ethanol. The mixture shows
Correct Answer: 2
Which has the lowest boiling point at 1 atm pressure?
Correct Answer: 2
Osmotic pressure of a solution is 0.0821 atm at a temperature of 300 K. The concentration in moles/litre will be
Correct Answer: 3
People add sodium chloride to water while boiling eggs. This is to
Correct Answer: 2
The van?t Hoff factor (i) accounts for
Correct Answer: 2
The molal elevation constant depends upon
Correct Answer: 2
Mole fraction of glycerine C3H5(OH)3 in solution containing 36 g of water and 46 g of glycerine is
Correct Answer: 3
Bleaching powders chemical name is
Correct Answer: 2
The ratio of the water molecule in plaster of paris and gypsum is
Correct Answer: 3
Baking powder is
Correct Answer: 2
Gastric juice contains HCl which is one example of
Correct Answer: 1
When milk of magnesia reacts with acetic acid it produces
Correct Answer: 3
Which of the following phenomena will occur when a small amount of acid is added to water?
Correct Answer: 1
Brine is used for industrial production of
Correct Answer: 1
When base reacts with the non-metal oxide
Correct Answer: 1
The acid used for the manufacture of fertilizers and explosives is
Correct Answer: 1
The reciprocal of resistivity of a conductor is
Correct Answer: 3
In order to measure current in a resistance present in a circuit the ammeter is connected
Correct Answer: 1
Good conductors have many loosely bound
Correct Answer: 3
The element with highest conductivity is
Correct Answer: 2
The resistance of a conductor varies inversely as
Correct Answer: 2
With rise in temperature the resistance of semiconductors
Correct Answer: 1
Which of the following conformation of n-butane is the most stable?
Correct Answer: 3
Find the correct order for relative energies of the ethane conformations
Correct Answer: 1
Find the alkane (C5H12), which will give only one type of monohalogenated compound
Correct Answer: 1
The bond angle between H-C-C bonds in ethane is
Correct Answer: 4
Akanes undergo halogenation. It is an example of
Correct Answer: 3
Which of the following is the most volatile compound?
Correct Answer: 4
Paraffin wax is
Correct Answer: 1
Find the correct order for the ease of formation of free radicals
Correct Answer: 2
Formation of an alkane from reduction of alkyl halide with Zn is known as
Correct Answer: 2
Find the compound with the highest boiling point among the following
Correct Answer: 2
The energy released in the form of nuclear radiation in addition to heat and light during nuclear reactions is known as
Correct Answer: 2
The energy coming from the sun for the last billion years is the results of a
Correct Answer: 1
The energy obtained from electric cells and batteries as a result of a chemical reaction is called
Correct Answer: 1
As the rain falls the potential energy changes to
Correct Answer: 3
The energy coming directly from magma called
Correct Answer: 2
In the process of rubbing hands, mechanical energy is converted into
Correct Answer: 3
When a body vibrates, it produces
Correct Answer: 1
In the exothermic reaction the enthalpy of reaction is always
Correct Answer: 3
Heat required to raise the temperature of 1 mole of a substance by 1o is called
Correct Answer: 2
The amount of heat required to raise the temperature of a body through 1oC is called its
Correct Answer: 2
The variations in enthalpy that can not be detected per calorimeter can be detected with the aid of
Correct Answer: 2
The energy required to sever a given covalent bond is named
Correct Answer: 4
Changes in enthalpy in an exothermic reaction is
Correct Answer: 2
The first law of thermodynamics states that energy can not be
Correct Answer: 4
To initiate a reaction the minimum energy which is required to break bonds is called
Correct Answer: 1
The standard condition for enthalpy changes are
Correct Answer: 4
Which of the following is the most effective solvent for dissolving ionic compounds?
Correct Answer: 2
What is the main product of the reaction between an alkene and ozone, followed by zinc and acetic acid?
Correct Answer: 3
In the context of chemical kinetics, what does the term 'order of reaction' refer to?
Correct Answer: 2
Which type of isomerism is observed in compounds with the same molecular formula but different spatial arrangement around a double bond?
Correct Answer: 2
What is the primary use of sodium thiosulphate in analytical chemistry?
Correct Answer: 1