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Gurjot Kaur 1 year, 8 months ago

AgCl : Used in black and white photography

Hemalatha Manikandan 1 year, 8 months ago

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Alfiya💫💫💫 . 1 year, 8 months ago

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Gourav Sharma 1 year, 8 months ago

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S. Arthika Sri 1 year, 8 months ago

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  • 1 answers

Sonalin Sahoo 1 year, 8 months ago

Hormonal system is also known as endocrine system. In this system many ductless glands were there which produces hormones which get spread in our body through the blood stream. For eg - pituitary gland,ovary,testes,etc
  • 4 answers

Satyam Kumar 1 year, 8 months ago

Trasfer of pollen grain from antger of stamen to stigma of pistil is known as pollination

Suraj Bhai 1 year, 8 months ago

The transfer of pollen from anther of stamen to stigma of pistill is known as pollination.

Still Chos 1 year, 8 months ago

Cross pollination

Alfiya💫💫💫 . 1 year, 8 months ago

Transfer of pollen grain from anther to stigma from one flower to other .. Types . 1) Self pollination 2) Cross pollination.
  • 2 answers

Xyz ......... 1 year, 8 months ago

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Nitin Kumar 1 year, 8 months ago

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  • 2 answers

Alfiya💫💫💫 . 1 year, 8 months ago

Molecules formed by more than one Atoms .e.g.~CO2..NH3..HCl..

Nitin Kumar 1 year, 8 months ago

Any atom other than the hydrogen atom and the carbon atom is a heteroatom. Ex- Nitrogen(N), Oxygen(O), Sulphur(S)
  • 2 answers

Rimi Tomar 1 year, 8 months ago

AB because A has 11 electrons so it's electronic configuration must be 2,8,1 hence its valancy is 1 and B has 10 electrons so it's electronic configuration must be 2,8 hence it is stable so, it's molecular formula must be AB

Gurdeep Singh 1 year, 8 months ago

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  • 2 answers

Chetna Gautam 1 year, 8 months ago

Placenta is a disc like structure in uterus. It is present in mother womb . The placenta give the nourishment to the foetus. The placenta have the villi on the other side of it and from the villi the exchange takes place in mother's womb .

Lazina Khan 1 year, 8 months ago

Placenta is a disc like structure which links between the mother and the baby(foetus)
  • 1 answers

Lazina Khan 1 year, 8 months ago

Law of dominance , Law of segregation and Law of independent assortment
  • 0 answers
  • 3 answers

Rishabh Singh 1 year, 8 months ago

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Gaurav Kumar 1 year, 8 months ago

Amoeba is a single cellular,it have pseudopodial,nucleus and vacuole.it move toward food . Pseudopodia surrounds the food, gradually cell swallowing it. It's food digest in vacuole and absorb in the cytoplasm of the cell.waste produced remove outward from the cell body.

Abhishek Yadav 1 year, 8 months ago

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  • 1 answers

Rudraksh Singh 1 year, 8 months ago

Plant kept in continuous light will live longer, because it will be able to produce oxygen required for its respiration by the process of photosynthesis. Plant remaining in the dark will not photosynthesize and hence it will finally die due to no availability of oxygen.
  • 1 answers

Prianshu Goyal 1 year, 8 months ago

No photosynthesis will occur in the plant kept in dark due to absence of sunlight. So the plant kept in sunlight will survive and plant kept in dark will not survive as photosynthesis does not occurs.
  • 1 answers

Sarita Kumari 1 year, 8 months ago

Colors of metallic ions Name Formula Color Alkaline earth metals Mg2+ Colorless Scandium(III) Sc3+ Silver Titanium(III) Ti3+ Purple Titanium(IV) Ti4+ Silver Titanyl TiO2+ Colorless Vanadium(II) V2+ Light purple Vanadium(III) V3+ Dark grey-green Vanadyl(IV) VO2+ Blue Vanadium(IV) (vanadite) V 4O2− 9 Brown Vanadium(V) (pervanadyl) VO+ 2 Yellow Metavanadate VO− 3 Colorless Orthovanadate VO3− 4 Colorless Chromium(II) Cr2+ Bright blue Chromium(III) Cr3+ Blue-green-grey Chromium(III) hydroxide Cr(OH)63− yellowish Monochromate CrO2− 4 Yellow Dichromate Cr 2O2− 7 Orange Manganese(II) Mn2+ Pale pink Manganese(III) Mn3+ Crimson Manganate(V) MnO3− 4 Deep blue Manganate(VI) MnO2− 4 Dark green Manganate(VII) (permanganate) MnO− 4 Deep purple Iron(II) Fe2+ Greenish Cobalt(II) fluoride Co2+ Pink Cobalt(III) amine Co(NH 3)3+ 6 Yellow/orange Nickel(II) Ni2+ Light green Nickel(II) amine complex Ni(NH 3)2+ 6 Lavender/blue Copper(I) amine complex Cu(NH 3)+ 2 Colorless Copper(II) Cu2+ Blue Copper(II) amine complex Cu(NH 3)2+ 4 Indigo-blue Copper(II) chloride CuCl2− 4 Blue - Green Zinc(II) Zn2+ Colorless Silver(I) Ag+ Colorless Silver(III) in conc. HNO3 Ag3+ Dark brown
  • 2 answers

Nitika Ahuja 1 year, 8 months ago

Reactions of ethanol and Ethanoic acid

Divya ... 1 year, 8 months ago

Cleaning action of soaps
  • 5 answers

Priyanshi Malhotra 1 year, 8 months ago

I guess you should give more time to chemistry and watch one shot videos. I hope this will help you.

Mohammad Izaan 1 year, 8 months ago

Buy evergreen science new edition ,here you will get all previous 15 year question with answer and ncert exemplar ,intext and exercise also Al all chapters It is not much costly

Lazina Khan 1 year, 8 months ago

At this point I think u should just go through one shot videos because u should focus on other subjects tooo

Palak Siwach 1 year, 8 months ago

Ncert book read kr lo intext question laga lo school m bhut bade — 2 notes banwa dathe h ncert book m sab kuch h easy language ‽‽*‽ncert read kr lana se phala 30 min ka lecture dekh lo phsics wala youtube pr sa

Rohit Gupta 1 year, 8 months ago

Pls buy S Chandra book for chemistry as a reference book. It will clear your concept. But also go through your NCERT BOOK. Learn the important chemical formula as most of the questions come from it.
  • 2 answers

Palak Siwach 1 year, 8 months ago

*‽1*‽. Pantane 2. *‽2*‽- di Methyl butane *‽ 3*‽. 2,2- di Methyl propane

Lazina Khan 1 year, 8 months ago

Three isomers-- 1. Pantane 2. 2- di Methyl butane 3. 2,2- di Methyl propane
  • 1 answers

Lazina Khan 1 year, 8 months ago

Because ammeter is a low resistance device .So when it is connected in parallel, the net resistance of the circuit decrease
  • 1 answers

Lazina Khan 1 year, 8 months ago

1. The offspring inherits different sets of chromosomes. 2. Error in copying of DNA
  • 1 answers

Rahul Chaudhary 1 year, 8 months ago

Indicator compound coloured change when they become propona t and di proponat
  • 1 answers

Lazina Khan 1 year, 8 months ago

Because they decompose the waste organic materials present in our environment. Advantages------1. They ahelp in recycling the nutrients 2.They clean up the environment by decomposing waste material.
  • 4 answers

Aryan Shakya 1 year, 8 months ago

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Laxmi Rohilla 1 year, 8 months ago

Ovary

Arya Agrawal 1 year, 8 months ago

Ovary

V Guru Deepika 1 year, 7 months ago

Chest
  • 2 answers

Krishna Agarwal 1 year, 8 months ago

Chloroplast help in absorption of sunlight

Yash Jaiswal 1 year, 8 months ago

The green pigment present in chlorophyll is called chloroplast
  • 4 answers

V Guru Deepika 1 year, 8 months ago

Because the arteries carry oygenated blood and this blood want to reach every cell that's why the blood flow with high pressure in arteries

Palak Siwach 1 year, 8 months ago

In arteries , flow of oxygenated blood in high pressure . *.*.# oxygenated blood should reach every cell in our body efficiently * heart pumps the blood

K Avinash 1 year, 8 months ago

The arteries carries the OB , so the O2 should reach each and every cell in our body efficiently and also there is heart the pumps the blood .

Rohan Dixit 1 year, 8 months ago

Because Arteries Have not valves
  • 3 answers

K Avinash 1 year, 8 months ago

Step one: After pollen has landed on the stigma, it grows a pollen tube down through the style to the ovary. Step two: The nucleus of the pollen grain travels down the pollen tube and fertilises the nucleus in the ovule. Step three: The fertilised ovule develops into a seed.

Jitendra Kumar 1 year, 8 months ago

The suitable pollination will form *** cells and the fusion of *** cells will take place and thus this will lead to fertilization.

Jitendra Kumar 1 year, 8 months ago

Pollination is the transfer of pollen grains from the anther to the stigma of the same or different flower. The two types of pollination are :- Self pollination and cross pollination. Self pollination: in this type of pollination the pollen grains are transferred from the anther to the stigma of the same flower. Cross pollination: In this type of pollination the pollen grains are transferred from anther to stigma to the different flower. The two agents responsible for pollination are insect and wind.
  • 2 answers

Shivam Singh 1 year, 8 months ago

Washing soda(Na2CO3.10H2O) is synthesized through Solvay's process. It involves the reaction of sodium chloride(NaCl), ammonia(NH3) and carbon dioxide(CO2) in water. Carbon dioxide(CO2) involved is produced through calcium carbonate(CaCO3) and the calcium oxide(CaO) left is used in recovering ammonia(NH3). At first, sodium bicarbonate(NaHCO3) is obtained which is then converted to sodium carbonate(Na2CO3) on heating. Finally, washing soda(Na2CO3.10H2O) is produced by the recrystallization of sodium carbonate(Na2CO3).

Palak Siwach 1 year, 8 months ago

Washing soda(Na2CO3.10H2O) is synthesized through Solvay's process. It involves the reaction of sodium chloride(NaCl), ammonia(NH3) and carbon dioxide(CO2) in water. Carbon dioxide(CO2) involved is produced through calcium carbonate(CaCO3) and the calcium oxide(CaO) left is used in recovering ammonia(NH3). At first, sodium bicarbonate(NaHCO3) is obtained which is then converted to sodium carbonate(Na2CO3) on heating. Finally, washing soda(Na2CO3.10H2O) is produced by the recrystallization of sodium carbonate(Na2CO3).
  • 4 answers

Palak Siwach 1 year, 8 months ago

it supplies part of the seminal fluid (semen), which mixes with sperm from the testes. Which also helps sperms to move freely

Sanjay Sara 1 year, 8 months ago

The function of prostate gland is :- it supplies part of the seminal fluid (semen), which mixes with sperm from the testes. Which also helps sperms to move freely

Lazina Khan 1 year, 8 months ago

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Hardik Gulati 1 year, 8 months ago

Nourishment of the semen and easing its transport
  • 2 answers

D. Vyshnavi 1 year, 8 months ago

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Lazina Khan 1 year, 8 months ago

Position of image- between F and P Size- diminished Nature- Virtual and erect

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