InterviewSolution
Saved Bookmarks
InterviewSolution
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.
| 2451. |
What kind of energy is possessed by a planet by virtue of its motion? |
|
Answer» What kind of energy is possessed by a planet by virtue of its motion? |
|
| 2452. |
36.How many P-P bonds are present in P4S5? |
| Answer» 36.How many P-P bonds are present in P4S5? | |
| 2453. |
Substances like _________ and _________ react with oxygen at room temperature to form their basic oxide. |
|
Answer» Substances like _________ and _________ react with oxygen at room temperature to form their basic oxide. |
|
| 2454. |
What volume of oxygen at NTP is needed to cause the complete combustion of 200mL of acetylene? Also calculate the volume of carbon dioxide formed? |
| Answer» What volume of oxygen at NTP is needed to cause the complete combustion of 200mL of acetylene? Also calculate the volume of carbon dioxide formed? | |
| 2455. |
what are the by products of petrol |
| Answer» what are the by products of petrol | |
| 2456. |
What is mean by the period of KE is T÷2 |
| Answer» What is mean by the period of KE is T÷2 | |
| 2457. |
N+e-=========>N- Is it endothermic or exothermic reaction |
| Answer» N+e-=========>N- Is it endothermic or exothermic reaction | |
| 2458. |
If everything in this universe is made of atoms than what about dark matter |
| Answer» If everything in this universe is made of atoms than what about dark matter | |
| 2459. |
6. Oreder of forces in buns s, nylon 6, polyvinyl chloride |
| Answer» 6. Oreder of forces in buns s, nylon 6, polyvinyl chloride | |
| 2460. |
Write scientific reasonsa. Graphite is a conductor of electricity.b. Graphite is not used in ornaments.c. Limewater turns milky when CO2 is passed through it.d. Biogas is an eco-friendly fuel. |
|
Answer» Write scientific reasons a. Graphite is a conductor of electricity. b. Graphite is not used in ornaments. c. Limewater turns milky when CO2 is passed through it. d. Biogas is an eco-friendly fuel.
|
|
| 2461. |
Oxidation state of N in Fischer salt |
| Answer» Oxidation state of N in Fischer salt | |
| 2462. |
What does the number in bracket pentaamminecloridocobalt (III) carbonate of a complex formula represent and how to find it?How to find secondary valancy?How to find number of moles precipitated? |
|
Answer» What does the number in bracket pentaamminecloridocobalt (III) carbonate of a complex formula represent and how to find it? How to find secondary valancy? How to find number of moles precipitated? |
|
| 2463. |
21. If an element A shows two cationic states +2 and +3 and form oxides in such a way that ratio of the element showing +2 and +3 state is 1:3 in a compound. Formula of the compound will be |
| Answer» 21. If an element A shows two cationic states +2 and +3 and form oxides in such a way that ratio of the element showing +2 and +3 state is 1:3 in a compound. Formula of the compound will be | |
| 2464. |
Which salt is obtained as a result of the chemical reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? Which method will you use to separate it from the solution? |
|
Answer» Which salt is obtained as a result of the chemical reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? Which method will you use to separate it from the solution? |
|
| 2465. |
What type of combustion is represented by : (a) burning of white phosphorus in air at room temperature (b) burning of LPG in a gas stove ? (c) ignition of a cracker ? (d) burning of coal dust in a coal mine ? |
|
Answer» What type of combustion is represented by : (a) burning of white phosphorus in air at room temperature (b) burning of LPG in a gas stove ? (c) ignition of a cracker ? (d) burning of coal dust in a coal mine ? |
|
| 2466. |
Convert 20 km^2.hr/kg^3 into cm^2 .min/g^3 |
| Answer» Convert 20 km^2.hr/kg^3 into cm^2 .min/g^3 | |
| 2467. |
Explain the ways to separate solid solid mixtures ? Briefly explain each? |
|
Answer» Explain the ways to separate solid solid mixtures ? Briefly explain each? |
|
| 2468. |
Find the ratio by mass of the combining elements in the following compounds.(a) CaCO3 (d) C2H5OH(b) MgCl2 (e) NH3(c) H2SO4 (f) Ca(OH)2 |
|
Answer» Find the ratio by mass of the combining elements in the following compounds. (a) CaCO3 (d) C2H5OH (b) MgCl2 (e) NH3 (c) H2SO4 (f) Ca(OH)2 |
|
| 2469. |
Question 11Why does the increased level of nutrients in the water affect the survival of aquatic organisms? |
|
Answer» Question 11 |
|
| 2470. |
Question 26List two advantages associated with water harvesting at the community level. |
|
Answer» Question 26 List two advantages associated with water harvesting at the community level. |
|
| 2471. |
Metallic oxides contain 27.6 percent and 30% oxygen respectively if the formula of the first oxide is x 3 of 4 that of the second will be |
| Answer» Metallic oxides contain 27.6 percent and 30% oxygen respectively if the formula of the first oxide is x 3 of 4 that of the second will be | |
| 2472. |
What is the meaning of enthalpy ? |
| Answer» What is the meaning of enthalpy ? | |
| 2473. |
The rusting of iron takes place as follows2H^++2e^-1/2O→ H_2O E=1.23 V Fe2+ (aq) + 2e-- > Fels),E=-0.44 VCalculate for the net process giving oxidation ofFe is(a) 322 kJ mol-152 kJ mol'(b) -161 kJ mol(d) 76 kJ mol |
| Answer» The rusting of iron takes place as follows2H^++2e^-1/2O→ H_2O E=1.23 V Fe2+ (aq) + 2e-- > Fels),E=-0.44 VCalculate for the net process giving oxidation ofFe is(a) 322 kJ mol-152 kJ mol'(b) -161 kJ mol(d) 76 kJ mol | |
| 2474. |
(i) Razia saw excessive growth of blue-green algae in nearby pond of her village.(ii) Fish, which was previously in plenty were nowhere to be seen.(iii) The pond has started stinking. Water of the pond changes its colour and is found to be not suitable for cattle. Some of the cattle who visited the pond for drinking and bathing have fallen sick.(iv) What explanation will Razia give for these anomalies to the paniced villagers? |
|
Answer» (i) Razia saw excessive growth of blue-green algae in nearby pond of her village. (ii) Fish, which was previously in plenty were nowhere to be seen. (iii) The pond has started stinking. Water of the pond changes its colour and is found to be not suitable for cattle. Some of the cattle who visited the pond for drinking and bathing have fallen sick. (iv) What explanation will Razia give for these anomalies to the paniced villagers? |
|
| 2475. |
Deficiency of fluorine results in |
|
Answer» Deficiency of fluorine results in |
|
| 2476. |
Give three uses of:i) Diamondii) Graphite |
|
Answer» Give three uses of: i) Diamond ii) Graphite |
|
| 2477. |
how to determine whether a set of oxides are amphoteric or not based on their central atoms oxidation state? |
| Answer» how to determine whether a set of oxides are amphoteric or not based on their central atoms oxidation state? | |
| 2478. |
Are isomorphic and polymorphic solids come under Crystalline solids? |
| Answer» Are isomorphic and polymorphic solids come under Crystalline solids? | |
| 2479. |
Question 1Which of the following property is generally not shown by metals?(a) Electrical conduction(b) Sonorous in nature(c) Dullness(d) Ductility |
|
Answer» Question 1 Which of the following property is generally not shown by metals? (a) Electrical conduction (b) Sonorous in nature (c) Dullness (d) Ductility |
|
| 2480. |
Give reasons for the following.Immersion rods for heating liquids are made up of metallic substances. |
|
Answer» Give reasons for the following. Immersion rods for heating liquids are made up of metallic substances. |
|
| 2481. |
Which of the following metals do not react even with steam.? |
|
Answer» Which of the following metals do not react even with steam.? |
|
| 2482. |
The number of atoms of oxygen present in 10.6 g of Na2CO3 is |
| Answer» The number of atoms of oxygen present in 10.6 g of Na2CO3 is | |
| 2483. |
If a turbine is used in a fast flowing stream of river without any water storage facility. What energy conversion would take place for power generation? |
|
Answer» If a turbine is used in a fast flowing stream of river without any water storage facility. What energy conversion would take place for power generation? |
|
| 2484. |
The element which is stored under kerosene is (a) sulphur (b) phosphorus (c) sodium (d) silicon |
|
Answer» The element which is stored under kerosene is (a) sulphur (b) phosphorus (c) sodium (d) silicon |
|
| 2485. |
Why is carbon dioxide an excellent fire extinguisher? (3m) |
| Answer» Why is carbon dioxide an excellent fire extinguisher? (3m) | |
| 2486. |
How to identify sigma and pi bonds easily |
| Answer» How to identify sigma and pi bonds easily | |
| 2487. |
How is sand useful for extinguishing fires? |
|
Answer» How is sand useful for extinguishing fires? |
|
| 2488. |
Why is rayon not considered a fully synthetic fibre? |
|
Answer» Why is rayon not considered a fully synthetic fibre? |
|
| 2489. |
which of the following have leas polar bond a.C-H b. N-H why? |
| Answer» which of the following have leas polar bond a.C-H b. N-H why? | |
| 2490. |
What happens when dilute sulphuric acid is poured on a copper plate?Write word equation of the reaction involved. |
|
Answer» What happens when dilute sulphuric acid is poured on a copper plate? Write word equation of the reaction involved. |
|
| 2491. |
THE MOLARITY OF 900GRAM OF WATER IS |
| Answer» THE MOLARITY OF 900GRAM OF WATER IS | |
| 2492. |
Question 5 A girl is carrying a school bag 3 kg on her back and moves 200 m on a leveled road. The work done against the gravitational force will be (g=10 ms−2) (a) 6×103 J (b) 6 J (c) 0.6 J (d) zero |
|
Answer» Question 5 A girl is carrying a school bag 3 kg on her back and moves 200 m on a leveled road. The work done against the gravitational force will be (g=10 ms−2) (a) 6×103 J (b) 6 J (c) 0.6 J (d) zero |
|
| 2493. |
Which metal is obtained by electrolysis process from its ore? |
|
Answer» Which metal is obtained by electrolysis process from its ore? |
|
| 2494. |
What is claining? |
|
Answer» What is claining? |
|
| 2495. |
Oil is forced out of earth in primary recovery process due to |
|
Answer» Oil is forced out of earth in primary recovery process due to |
|
| 2496. |
The random movement of particles is the most in ___ . |
|
Answer» The random movement of particles is the most in |
|
| 2497. |
Assertion: When we rub a comb in dry hair, then this comb attracts small pieces of paper. Reason : The comb gets an electric charge that varies with the number of charged particles within the atoms present in the comb. |
|
Answer» Assertion: When we rub a comb in dry hair, then this comb attracts small pieces of paper. |
|
| 2498. |
Select the one that occurs in native form : |
|
Answer» Select the one that occurs in native form : |
|
| 2499. |
What are plastics ? Name any five commonly used articles made of plastics. |
|
Answer» What are plastics ? Name any five commonly used articles made of plastics. |
|
| 2500. |
Why helium configuration is different than other noble gas but still it is a noble gas? |
|
Answer» Why helium configuration is different than other noble gas but still it is a noble gas? |
|