Chemistry Quiz 25

Which one of the following has polar covalent bond ?

Deuterium reacts with oxygen to form________________?

Elements with similar chemical properties appear in the_________________?

Reaction at anode is called________________?

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

Phosphorus is a Greek word and it means_________________?

The word Alkali means__________________?

Which of the following compounds is not soluble in HNO3___?

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

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

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 ?

Electrolysis of dilute solution of NaCl results at the anode_______________?

Allotropic form of phosphorus that is poisonous is___________________?

Pressure in gas discharge tube was kept________________?

The ether used in Wurtz synthesis is__________________?

Animal fats are located particularly in__________________?

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______________________?

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

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

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

The radioactive isotope of hydrogen is called___________?

Which ion will have maximum value of heat of hydration ?

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

Pure metal__________________?

Spontaneous reactions are_______________?

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

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

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 ?

The non-ideal behaviour results chiefly from________________?

Which molecule has the highest bond energy among the halogens_________________?

Formalin is ___________ solution of formaldehyde in water?

The processes of effusion and diffusion are best understand by________________?

Ionic bond is produced after complete transfer of ________________ ?

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

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

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

Which of the following statements about isotopes is correct ?

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

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

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

An atom loses or gains electrons to__________________?

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

How many isotopes have odd atomic number ?

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

The carbon atom of carbonyl group is__________________?

Grignard reagent is reactive due to___________________?

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

The molecules of CO2 in dry ice form__________________?

Solubility of any salt can be determined from_______________?

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

Co-enzymes are_________________?

Liquid crystal is discovered by __________________?

In alkaline battery the anode is made up of______________________?

Requirement of macronutrient per acre of the land is_________________?

Which one of the following is an inorganic fertilizer ?

Hydrogenolysis results in the formation of________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

For which mechanisms the first step involved is the same ?

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