Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Nylon Rayon Terricot Cotton Nylon Rayon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom strong F - F bond its high electro negativity availability of d-orbitals small size of fluorine atom strong F - F bond its high electro negativity availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium A, B, C, D and E A, C and E B, D and E A and C A, B, C, D and E A, C and E B, D and E A and C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Capping Encapsulation Chemical fixation Landfill Capping Encapsulation Chemical fixation Landfill ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS