Chemistry Quiz 25

Deuterium reacts with oxygen to form________________?

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

Ionic bond is produced after complete transfer of ________________ ?

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

Formalin is ___________ solution of formaldehyde in water?

Which of the following compounds is not soluble in HNO3___?

Elements with similar chemical properties appear in the_________________?

Energy required to form transition state is called _________________?

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

Pressure in gas discharge tube was kept________________?

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

Spontaneous reactions are_______________?

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________________?

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 ?

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

The molecules of CO2 in dry ice form__________________?

How many isotopes have odd atomic number ?

Pure metal__________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

Animal fats are located particularly in__________________?

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 ?

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

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

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

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

Co-enzymes are_________________?

Allotropic form of phosphorus that is poisonous is___________________?

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

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

An atom loses or gains electrons to__________________?

Which one of the following is an inorganic fertilizer ?

Hydrogenolysis results in the formation of________________?

Liquid crystal is discovered by __________________?

The ether used in Wurtz synthesis is__________________?

Which molecule has the highest bond energy among the halogens_________________?

The processes of effusion and diffusion are best understand by________________?

The word Alkali means__________________?

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

Which one of the following has polar covalent bond ?

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

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

In alkaline battery the anode is made up of______________________?

Which ion will have maximum value of heat of hydration ?

The carbon atom of carbonyl group is__________________?

Grignard reagent is reactive due to___________________?

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

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

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

Which of the following statements about isotopes is correct ?

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

Requirement of macronutrient per acre of the land is_________________?

Phosphorus is a Greek word and it means_________________?

The non-ideal behaviour results chiefly from________________?

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

The fertility of the soil is improved by________________?

Reaction at anode is called________________?

Solubility of any salt can be determined from_______________?

The radioactive isotope of hydrogen is called___________?

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