Other Chemistry Answers

During standardization of HCl with sodium carbonate titration, the pipette is rinsed with distilled water and thereafter with ------------.
the HCl solutin
The methyl orange indicator
the
Na2CO3
solution
More water

In the standardization of a non-standard solution like HCl,titrate the solution of NaoH with HCl to the first permanent yellow colouration is _______ step.
second
third
fouth
fifth

An indicator with a pH range of 8.3 - 10.0 is
Litmus paper
Methyl orange
phenolphthalein
bromothymo

In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron?
2 moles of Mn with 1 mole of Fe
1 mole of Mn with 5 moles of Fe
1 mole of Mn reacts with 1 mole of Fe
5 moles of Mn reacts with 1 mole

The point at which stoichiometrically equivalent quantities of substances have been brought together is known as ___________.
Equivalence point
neutralization point
acid-base point
titration point

The indicator for standardization of HCl with standard solution of Na_{2}CO_{3} is ________.
Bromocresolblue
phenolphthalene
methyl orange
methyl red

The second action to perform to resucitate a victim of gas inhaltion in the laboratory is to ----------------.
Remove the victim from danger area
Apply artificial respiration
Loosen clothing
Immediately seek emergency medical assistance

All these are pain relieving cream applied to burns and scalds where the skin is not broken in the laboratory EXCEPT -------------.
Jelly
Acriflavine
Shea butter
Moisturising cream

For cut sustained in the laboratory which involve serious bleeding , the bleeding can be checked by --------------.
Applying direct pressure with a clean, sterile dressing
Elevate the wound above the heart and apply direct pressure with a clean, sterile dressing
Apply 1% sodium carbonate
Apply 1% boric acid solution

All these apparatus are required for standardization of hydrochloric acid with standard solution of sodium carbonate
burette
pipette
conical flask
beaker