List of practice Questions

Hormone responsible for bolting is
Hot conc. $H_2SO_4$ acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised by cone. $H_2SO_4$ into two gaseous products?
Hot wire ammeters are used for measuring
How do we separate two sulphide ores by froth floatation method?
Holme?? signal uses chemical compound
Homomorphic sex chromosomes occur in the males of
Hooke's law is valid:
Hooke's law states that
Hirudin is
Histone proteins are
Hofmann bromamide degradation reaction is shown by_____________ .
High concentration of auxin is present in
High milk yielding cross bred Frieswal cow is the product of
Higher concentration of nitrogen dioxide in atmospheric air causes
Highest oxidation state of manganese in fluorides is $+4 (MnF_4)$ but highest oxidation state in oxides is $+7 (Mn_2O_7)$ because
Hexafluorocobaltate (III) ion is a high spin complex. The hybrid state of cobalt is
Hexose monophosphate shunt does not take place when :
HF is not stored in glass bottles because
HI can be prepared by all the following methods, except
Heterostyly as a contrivance for cross-pollination is found in
Hess's law states,
Helophytes are
Henry is the unit of
Hepatitis $B$ is transmitted through
Hepato-pancreatic duct opens into the duodenum and carries