Chemistry Quiz 25

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

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

Formalin is ___________ solution of formaldehyde in water?

The fertility of the soil is improved by________________?

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

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

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

Deuterium reacts with oxygen to form________________?

The processes of effusion and diffusion are best understand by________________?

An atom loses or gains electrons to__________________?

Which one of the following has polar covalent bond ?

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

Co-enzymes are_________________?

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

In alkaline battery the anode is made up of______________________?

The carbon atom of carbonyl group is__________________?

Which molecule has the highest bond energy among the halogens_________________?

Phosphorus is a Greek word and it means_________________?

Which of the following compounds is not soluble in HNO3___?

Requirement of macronutrient per acre of the land is_________________?

Hydrogenolysis results in the formation of________________?

Pressure in gas discharge tube was kept________________?

Ionic bond is produced after complete transfer of ________________ ?

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

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

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

Reaction at anode is called________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

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

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

Liquid crystal is discovered by __________________?

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

Pure metal__________________?

Spontaneous reactions are_______________?

The ether used in Wurtz synthesis is__________________?

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

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

Animal fats are located particularly in__________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

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

The radioactive isotope of hydrogen is called___________?

How many isotopes have odd atomic number ?

The molecules of CO2 in dry ice form__________________?

Which ion will have maximum value of heat of hydration ?

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

Which of the following statements about isotopes is correct ?

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

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

Which one of the following is an inorganic fertilizer ?

Energy required to form transition state is called _________________?

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

Elements with similar chemical properties appear in the_________________?

Grignard reagent is reactive due to___________________?

The word Alkali means__________________?

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 ?

The non-ideal behaviour results chiefly from________________?

Solubility of any salt can be determined from_______________?

Allotropic form of phosphorus that is poisonous is___________________?

For which mechanisms the first step involved is the same ?