Chemistry Quiz 25

Which one of the following has polar covalent bond ?

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

Which molecule has the highest bond energy among the halogens_________________?

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

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 ?

Pressure in gas discharge tube was kept________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

Reaction at anode is called________________?

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

Which of the following compounds is not soluble in HNO3___?

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

The word Alkali means__________________?

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

In alkaline battery the anode is made up of______________________?

Animal fats are located particularly in__________________?

Which one of the following is an inorganic fertilizer ?

Allotropic form of phosphorus that is poisonous is___________________?

Spontaneous reactions are_______________?

Formalin is ___________ solution of formaldehyde in water?

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

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

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

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

Which of the following statements about isotopes is correct ?

Energy required to form transition state is called _________________?

Requirement of macronutrient per acre of the land is_________________?

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

The molecules of CO2 in dry ice form__________________?

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 ?

Which ion will have maximum value of heat of hydration ?

The non-ideal behaviour results chiefly from________________?

The radioactive isotope of hydrogen is called___________?

Hydrogenolysis results in the formation of________________?

The ether used in Wurtz synthesis is__________________?

Liquid crystal is discovered by __________________?

Grignard reagent is reactive due to___________________?

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

Solubility of any salt can be determined from_______________?

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

An atom loses or gains electrons to__________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

Ionic bond is produced after complete transfer of ________________ ?

The carbon atom of carbonyl group is__________________?

Elements with similar chemical properties appear in the_________________?

Phosphorus is a Greek word and it means_________________?

The processes of effusion and diffusion are best understand by________________?

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

How many isotopes have odd atomic number ?

Co-enzymes are_________________?

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

For which mechanisms the first step involved is the same ?

Pure metal__________________?

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

Deuterium reacts with oxygen to form________________?

The fertility of the soil is improved by________________?

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

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

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

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

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

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