Chemistry Quiz 25

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

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

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

Reaction at anode is called________________?

Which of the following compounds is not soluble in HNO3___?

Co-enzymes are_________________?

Pure metal__________________?

Pressure in gas discharge tube was kept________________?

Which ion will have maximum value of heat of hydration ?

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

Liquid crystal is discovered by __________________?

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

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

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

Phosphorus is a Greek word and it means_________________?

Elements with similar chemical properties appear in the_________________?

Allotropic form of phosphorus that is poisonous is___________________?

How many isotopes have odd atomic number ?

The fertility of the soil is improved by________________?

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 ?

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

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

Electrolysis of dilute solution of NaCl results at the anode_______________?

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

The radioactive isotope of hydrogen is called___________?

Animal fats are located particularly in__________________?

Spontaneous reactions are_______________?

The molecules of CO2 in dry ice form__________________?

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

The ether used in Wurtz synthesis is__________________?

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

Hydrogenolysis results in the formation of________________?

In alkaline battery the anode is made up of______________________?

Requirement of macronutrient per acre of the land is_________________?

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

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

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

The non-ideal behaviour results chiefly from________________?

Energy required to form transition state is called _________________?

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

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

For which mechanisms the first step involved is the same ?

Deuterium reacts with oxygen to form________________?

Which one of the following has polar covalent bond ?

Which molecule has the highest bond energy among the halogens_________________?

Which one of the following is an inorganic fertilizer ?

Ionic bond is produced after complete transfer of ________________ ?

The word Alkali means__________________?

Solubility of any salt can be determined from_______________?

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

Grignard reagent is reactive due to___________________?

The carbon atom of carbonyl group is__________________?

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

An atom loses or gains electrons to__________________?

Formalin is ___________ solution of formaldehyde in water?

The processes of effusion and diffusion are best understand by________________?

Which of the following statements about isotopes 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 ?

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

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 ?