The rate of chemical reaction does not depend upon
1 Concentration
2 Catalyst
3 Temperature
4 Pressure
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
BARC CHIF
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
In which type of rocks re metals like gold and copper mostly found? 1 Old igneous 2 Old sedimentary 3 Old metamorphic 4 New metamorphic
it is not advisable to sleep under a tree at night becouse trees release
The National Earthquake Information Center has asked you to write a program implementing the following decision table to characterize an earthquake based on its Richter scale number. Richter Scale Number (n) Characterization n < 5.0 Little or no damage 5.0 ≤ n < 5.5 Some damage 5.5 ≤ n < 6.5 Serious damage: walls may crack or fall 6.5 ≤ n < 7.5 Disaster: houses and buildings may collapse Higher Catastrophe: most buildings destroyed Could you handle this problem with a switch statement? If so use a switch statement; if not explain why.
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
Which is the regulatory authority of atomic energy in india?
Science is both a process and product-Substantiate
0 Answers Mahatma Gandhi University,
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper