Chemistry Quiz 25

Which discovery caused a revision in the periodic law as stated by Mendeleev ?

Phosphene gas will be produced if phosphorous acid is subjected to___________________?

Which of the following oxides of iodine is used for quantitative analysis of CO ?

The radioactive isotope of hydrogen is called___________?

An atom loses or gains electrons to__________________?

The fertility of the soil is improved by________________?

moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

The ether used in Wurtz synthesis is__________________?

Liquid crystal is discovered by __________________?

By combining n atmic orbitals no. of hybrid orbitals will be__________________?

Which one of the following has polar covalent bond ?

Pure metal__________________?

Compounds having same molecular formula but differ in structural formula are called __________________?

Which ion will have maximum value of heat of hydration ?

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

Sum of protons and neutrons in an atom gives off _________ ?

The use of antifreeze in the automobile radiator is an important application of__________________?

Deuterium reacts with oxygen to form________________?

Solubility of any salt can be determined from_______________?

Requirement of macronutrient per acre of the land is_________________?

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

Animal fats are located particularly in__________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

Pressure in gas discharge tube was kept________________?

In alkaline battery the anode is made up of______________________?

The word Alkali means__________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

How many isotopes have odd atomic number ?

Grignard reagent is reactive due to___________________?

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

Hydrogenolysis results in the formation of________________?

Spontaneous reactions are_______________?

If we provide very high amount of heat to a liquid its boiling point will__________________?

Polyethylene Glycols are used in the preparation of which type of detergents?

K2 (Cu(CN)4) which one is correct___________________?

Co-enzymes are_________________?

The molecules of CO2 in dry ice form__________________?

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

The non-ideal behaviour results chiefly from________________?

Formalin is ___________ solution of formaldehyde in water?

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

Elements with similar chemical properties appear in the_________________?

Which molecule has the highest bond energy among the halogens_________________?

Energy required to form transition state is called _________________?

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

Size of filter paper is selected according to the amount of__________________?

Which of the following is not considered as an intermolecular force between molecules ?

Reaction at anode is called________________?

The processes of effusion and diffusion are best understand by________________?

Allotropic form of phosphorus that is poisonous is___________________?

The carbon atom of carbonyl group is__________________?

For which mechanisms the first step involved is the same ?

Phosphorus is a Greek word and it means_________________?

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

Which of the following statements about isotopes is correct ?

The strength of solution of an element whose electrode potential is to be measured is________________?

Ionic bond is produced after complete transfer of ________________ ?

Which of the following compounds is not soluble in HNO3___?

Which one of the following is an inorganic fertilizer ?