Chemistry Quiz 25

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

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

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

Pure metal__________________?

The radioactive isotope of hydrogen is called___________?

For which mechanisms the first step involved is the same ?

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

The word Alkali means__________________?

Liquid crystal is discovered by __________________?

Co-enzymes are_________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

Which one of the following is an inorganic fertilizer ?

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_________________?

Pressure in gas discharge tube was kept________________?

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 ?

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

Reaction at anode is called________________?

Grignard reagent is reactive due to___________________?

Allotropic form of phosphorus that is poisonous is___________________?

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

The non-ideal behaviour results chiefly from________________?

Solubility of any salt can be determined from_______________?

Requirement of macronutrient per acre of the land is_________________?

Deuterium reacts with oxygen to form________________?

Animal fats are located particularly in__________________?

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

The ether used in Wurtz synthesis is__________________?

The molecules of CO2 in dry ice form__________________?

The carbon atom of carbonyl group is__________________?

Phosphorus is a Greek word and it means_________________?

Elements with similar chemical properties appear in the_________________?

The processes of effusion and diffusion are best understand by________________?

The fertility of the soil is improved by________________?

Which one of the following has polar covalent bond ?

Hydrogenolysis results in the formation of________________?

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

Ionic bond is produced after complete transfer of ________________ ?

Which of the following compounds is not soluble in HNO3___?

Spontaneous reactions are_______________?

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

Which of the following statements about isotopes is correct ?

Formalin is ___________ solution of formaldehyde in water?

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 ?

An atom loses or gains electrons to__________________?

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 ?

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

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

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

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

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

Energy required to form transition state is called _________________?

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

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?

In alkaline battery the anode is made up of______________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

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

Which ion will have maximum value of heat of hydration ?