IIT JEE Practice Question and Answer

Q: Which part of the flame is the hottest? 1508 0

  • 1
    Blue Zone
    Correct
    Wrong
  • 2
    Luminous Zone
    Correct
    Wrong
  • 3
    Dark Zone
    Correct
    Wrong
  • 4
    Non - Luminous Zone
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Blue Zone"
Explanation :

Answer: A) Blue Zone Explanation: Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.

Q: What is 15 as a decimal? 1344 0

  • 1
    0.333
    Correct
    Wrong
  • 2
    0.666
    Correct
    Wrong
  • 3
    0.200
    Correct
    Wrong
  • 4
    0.452
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "0.200"
Explanation :

Answer: C) 0.200 Explanation: Here I converted the original fraction to a fraction with the denominator being 10, because decimals can be written in the tenths place. Divide numerator and denominator with '2'15 x 22 = 210 = 0.2

Q: What country did we fight during the Revolutionary War? 1630 0

  • 1
    Pakistan
    Correct
    Wrong
  • 2
    United States of America
    Correct
    Wrong
  • 3
    England
    Correct
    Wrong
  • 4
    Germany
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "England"
Explanation :

Answer: C) England Explanation: We fought against England in the Revolutionary War for Independence from the British rule.

Q: The p wave of a normal Electrocardiogram indicates 1377 0

  • 1
    atrial depolarization
    Correct
    Wrong
  • 2
    Ventricular repolarization
    Correct
    Wrong
  • 3
    atrial repolarization
    Correct
    Wrong
  • 4
    Ventricular depolarization
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "atrial depolarization"
Explanation :

Answer: A) atrial depolarization Explanation: The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole. The P wave is a summation wave generated by the depolarization front as it transits the atria.

Q: Warm is to Hot as Not so Good is to 4994 0

  • 1
    Average
    Correct
    Wrong
  • 2
    Fair
    Correct
    Wrong
  • 3
    Not so bad
    Correct
    Wrong
  • 4
    Worse
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Worse"
Explanation :

Answer: D) Worse Explanation: Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.

Q: 125% as a Fraction? 1302 0

  • 1
    1/4
    Correct
    Wrong
  • 2
    3/4
    Correct
    Wrong
  • 3
    5/4
    Correct
    Wrong
  • 4
    7/4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "5/4"
Explanation :

Answer: C) 5/4 Explanation: Literally any percentage means divide by 100. So 125% = 125100. That can be reduced to 5/4. To convert to a decimal, you can do long division, dividing 5 into 4.

Q: What is the systematic name of NH4ClO3? 2363 0

  • 1
    Ammonium Chloride
    Correct
    Wrong
  • 2
    Ammonium Chlorate
    Correct
    Wrong
  • 3
    Ammonium Chlorane
    Correct
    Wrong
  • 4
    Ammonium Chlorine
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Ammonium Chlorate"
Explanation :

Answer: B) Ammonium Chlorate Explanation: In common we all call the systematic name of NH4ClO3 as Ammonium Chlorate. But originally the systematic name is azanium trioxidochlorate.

Q: ABCDEFGHIJKLMNOPQRSTUVWXYZ Riddle What word or Phrase or letter is it representing abcdefghijklmnopqrstvwxyz 2914 0

  • Show AnswerHide Answer
  • Workspace

Answer :
Explanation :

Here in the alphabets the letter U is missing and it represents the word MISSING YOU (U).

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully