Home › CBSE Class 11 (Science) › Chemistry › Some Basic Concepts of Chemistry › True mass 5.00 g; a student records 4.81 g and 4…
True mass 5.00 g; a student records 4.81 g and 4.80 g. The readings are:
AAccurate and precise
BPrecise, not accurate
CAccurate, not precise
DNeither of the two
Answer & Solution
Correct answer: B. Precise, not accurate
The two readings agree closely with each other but both lie far from 5.00 g, so they are precise yet inaccurate.
Related questions
Pure substances are further classified into which two groups?In 1983 the metre was redefined in terms of:Which of these drugs is used in cancer therapy?0.5 mol of glucose is dissolved in 250 g of water. What is the molality of the solution?A concentrated solution that is diluted to prepare weaker solutions is called a:A solution has 1 mol of ethanol and 3 mol of water. What is the mole fraction of ethanol?What volume of 1 M stock solution is needed to make 500 mL of a 0.2 M solution?2 g of NaOH (40 g/mol) is dissolved to make 500 mL of solution. What is its molarity?