Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 38301. |
Why carbon has a varsatile nature? |
| Answer» Coz of catenation and tetravalency | |
| 38302. |
Why the position of hydrogen is wrong in Mendeleev\'s periodic table? What its right position? |
| Answer» | |
| 38303. |
Diffrence between food chain and food web.any three |
| Answer» | |
| 38304. |
Why sodium is called metal of king |
| Answer» Bhai sodium nhi gold hota h king of metal bcoz ye nature me freely exist krta hai | |
| 38305. |
Why only carbon shows the property of cetanation and tetra valancy |
| Answer» Its valency is 4 | |
| 38306. |
What is halogens ? |
| Answer» | |
| 38307. |
What is loranthus . How does it gets its nutrition? |
| Answer» | |
| 38308. |
What does niche mean in variation? |
| Answer» | |
| 38309. |
What is atomic size |
| Answer» | |
| 38310. |
Defination of substitution |
| Answer» | |
| 38311. |
What is cyclone |
| Answer» | |
| 38312. |
What is the acid |
|
Answer» Acid are those chemical substance which have sour in taste &change the colour of red litmus to blue .It pH value is 0-7.The pH value of the acid is inversely proportional to the value of pH scales. Acids are those chemical substances which have a sour taste. The solution which gives H+ ions in aqueous .medium Acids are those chemical susbstances which have sour taste , changes blue litmus to red and on dissolving in water they will dissociate to give H+ ions |
|
| 38313. |
for science only ncert exempler question of this app is enough |
| Answer» | |
| 38314. |
Why It is difficult for carbon atom to 4 lose or gain the electron? |
|
Answer» Bcuz if it gains 4 atoms it will be very difficult for a 6 proton nucleus to hold onto a 10 electron atom. And it needs a lot of energy to lose 4 electrons Because it requires a lot of energy to do so.. That is why carbon shares the atom |
|
| 38315. |
For science ncert exempler question of this app is enough |
| Answer» My cbse guide | |
| 38316. |
What is Eutrophication? |
| Answer» This is the enrichment of the water bodies usually with excess amount of nutrients | |
| 38317. |
Why does the star appears dim or bright. |
|
Answer» Becoz of atmospheric refraction Distance and the size of stars matters and other chem properties |
|
| 38318. |
What is medium? |
|
Answer» Medium is any region or substance through light can travel Middle value of any data |
|
| 38319. |
Why does the green leaves appears yellow when the white light appears on it |
| Answer» | |
| 38320. |
What is chemicals |
| Answer» | |
| 38321. |
What are the conditions for total internal reflection? |
| Answer» Condition of TIR that light enters through upper part of droplet. | |
| 38322. |
What is long sightness |
| Answer» Hypermetropia | |
| 38323. |
Sir, what\'s the difference between electrolytic refining and electrolytic reduction? |
|
Answer» In electrolytic reduction graphite electrodes are used which are of same size. in electrolytic refining the anode is made of the impure metal which is to be purified and the cathode is made from that pure metal. initially the cathode is thick and the anode is very thin. b. the electrolyte used in electrolytic refining is the metal sulphate with acid (acid id added to increase the conductivity) which is aqueous in nature. whereas in electrolytic reduction molten chloride form of the solution is used Tera face |
|
| 38324. |
What is genotype and phenotype |
|
Answer» Genotype is nothing but the genetic constitution of an individual organism..And phenotype are the visible characters or traits of an individual that can be seen from outside...I hope you will be satisfied from my answer:) The genotype is the set of genes in our DNA which is responsible for a particular trait. The phenotype is the physical expression, or characteristics, of that trait. |
|
| 38325. |
In reaction of cu0 +h2 what is oxidation and what is reduction |
| Answer» | |
| 38326. |
What is diopter? |
|
Answer» Si unit of power Power of lens is defined by diopter |
|
| 38327. |
Why unsaturated fatty acids are good for health & not saturated? |
| Answer» Because unsaturated fatty acids do not have single covalent bond but saturated have single covalent bond | |
| 38328. |
State the fleming left hand rule |
| Answer» | |
| 38329. |
How does the eye adjust to take account of an increase in brightness |
| Answer» Due to ciliary muscle | |
| 38330. |
Why a freely suspended magnet does not show exact geographical North and south direction? |
| Answer» | |
| 38331. |
What is subatomic particles |
|
Answer» Electron ,neuron,proton Neutron , proton, electron |
|
| 38332. |
Name the five properties of plane mirror. |
| Answer» 1 it produces virtual and erect image 2 the image is of the same size 3 the image is at the same distance as tha t of object4 the image is inverted(right - left) | |
| 38333. |
What are Lanthanoides and how do they differ from Actinides? |
| Answer» | |
| 38334. |
Write the next homologue of methanol -ethanal |
| Answer» Ethanol -propnal | |
| 38335. |
What are oxidising agent? |
| Answer» Agent which give oxygen for oxidation is called oxidizing agent | |
| 38336. |
Draw electron dot structure of water molecule? |
| Answer» | |
| 38337. |
Explain some enviromental problems with the help of examples? |
| Answer» | |
| 38338. |
What is the role of geographic isolation of two sub population of a species? |
| Answer» | |
| 38339. |
Why CNG is not worked with diesal??? |
| Answer» | |
| 38340. |
Difference between dominant Traits and recessive trait |
| Answer» DOMINENT the trait which expressd itself in homozygous as well as heterozygous condition called dominant character RECESSIVE trait that could repretent only in the homozygous condition but not in heterozygous condition called recessive trait | |
| 38341. |
What is mandelism |
| Answer» | |
| 38342. |
What is the valence of carbon in H3C_H3C |
| Answer» | |
| 38343. |
What are contrastive method |
| Answer» | |
| 38344. |
Difference between nuclear fission and fusion |
| Answer» Nuclear fission mean energy released by dividing the particle where as fusion mean energy released during combination of particle | |
| 38345. |
What is ohm\'s law ? How it can be verified ? |
|
Answer» V = I × R...By using rheostat.. The relationship between the current (I) flowing through the conductor and the potential difference (V) across its terminals is called Ohm\'s law. |
|
| 38346. |
Corrosion of metals is not always harmful . Illustrate |
| Answer» In case of Al ,,,,, oxide layer prevents it from further corrosion...Here former corrosion is good... | |
| 38347. |
How reproduction takes place in humans? |
| Answer» | |
| 38348. |
An element x and y belongs to second group of peroidic table. Write the formula of the oxides? |
| Answer» xO & yO.? | |
| 38349. |
Why metallic oxides are basic in nature whereas nonmetallic non-metallic oxides in acidic in nature |
| Answer» | |
| 38350. |
How will you that the presence of carbon dioxide in air |
| Answer» | |