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Faisal
to get greater and clear image at what distance lens should be placed from object ?
physics question
1 AnswerPhysics7 years agoAn industry established upon reversible reaction.it failed to achieve products on commercial level.?
Can you point out basic reasons of failure being a chemist.
i am in 10th grade and this question is from chemical equilibrium chapter.
1 AnswerChemistry8 years agoA species has 18 electrons and 20neutrons.it has charge of -2 units.what will be its mass number ?
a) 39 b) 36 c) 38 d) 40
kindly explain it with reason.
1 AnswerPhysics9 years agoThe distances between adjacent orbits in hydrogen atoms as proposed by Bohr's model :?
a) go on increasing from lower to higher orbit.
b)go on decreasing from lower to higher orbit.
c)remain same.
d)there is an irregular change
kindly Explain it with Reason.
1 AnswerChemistry9 years agowhat will be the ratio of mass of proton to the mass of electron ?
a) 1 : 1836 b) 1 : 30600 c) 1836 : 1 d) 1000 : 1
kindly explain it with reason.
2 AnswersChemistry9 years agoplant do not make their gametes by meiosis ,how is that?
kindly give me easiest and simplest answer.
3 AnswersBiology9 years agowhat type of cell division occur when our wound are healed?
kindly give me easiest and simplest answer.
3 AnswersBiology9 years agohow is cytokinesis in plant is different as compared to animal ?
kindly give me easiest and short answer.
2 AnswersBiology9 years agoA body of mass 2 Kg reaches the surface of earth in 2 seconds. how long a 4 Kg body will take to reach earth ?
Kindly explain it in the easiest and simple way.
5 AnswersPhysics9 years agoexplain how surface area to volume ratio limits cell size?
kindly explain it in the simplest way.
3 AnswersBiology9 years agoKeeping in view of electronic congiguration which element will be the first and which element will be the last?
in a period of periodic table by taking example of FIRST THREE PERIODS.
1 AnswerChemistry9 years agoWhat facts do the concept of shell and the position of elements in the periodic table try to explain ?
give me simplest answer
1 AnswerChemistry9 years agoDoes any one know about websites where can i get dentistry online notes and books like national book?
of dental examintion ?
1 AnswerBooks & Authors9 years agodoes any one know about websites where can i get dentistry online notes and books like national book?
of dental examination?
1 AnswerDental9 years agoIn group 1 of the periodic table, three elements X , Y and Z have atomic size 140 pm , 191 pm , 211 pm?
respectively. give a reason , arrange these elements in the order of increasing atomic number in the group.
1 AnswerChemistry9 years agoWhich discovery led to a change in the mendeleef's periodic law ?
i want right answer .
1 AnswerChemistry9 years agowhat does the word periodic mean and why the table of elements is called periodic table ?
try to give easiest answers to these two questions.
Answers of multiple peoples will be appreciated.
1 AnswerChemistry9 years agohow do electronic configuration change in period with an increase in atomic number ?
answers of multiple peoples will be appreciated.
2 AnswersChemistry9 years agoIN certain mass of gas, the number of atoms and number of molecules are same , can any body tell me and?
EXPLAIN IT ?
Answers of multiple peoples will be appreciated.
1 AnswerChemistry9 years ago