1
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Fex2 and Fey3 are known when x and y are :
2
JEE Main 2021 (Online) 25th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Complete combustion of 1.80 g of an oxygen containing compound (CxHyOz) gave 2.64 g of CO2 and 1.08 g of H2O. The percentage of oxygen in the organic compound is :
3
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The average molar mass of chlorine is
35.5 g mol–1. The ratio of 35Cl to 37Cl in naturally
occuring chlorine is close to :
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The ammonia (NH3) released on quantiative reaction of 0.6 g urea (NH2CONH2) with sodium hydroxide (NaOH) can be neutralized by :
Questions Asked from Some Basic Concepts of Chemistry (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
JEE Main 2022 (Online) 29th July Evening Shift (1) JEE Main 2022 (Online) 29th July Morning Shift (1) JEE Main 2022 (Online) 27th July Morning Shift (2) JEE Main 2022 (Online) 26th July Evening Shift (1) JEE Main 2022 (Online) 25th July Morning Shift (1) JEE Main 2022 (Online) 29th June Evening Shift (1) JEE Main 2022 (Online) 29th June Morning Shift (1) JEE Main 2022 (Online) 28th June Evening Shift (1) JEE Main 2022 (Online) 26th June Morning Shift (1) JEE Main 2022 (Online) 24th June Evening Shift (1) JEE Main 2022 (Online) 24th June Morning Shift (1) JEE Main 2021 (Online) 16th March Evening Shift (1) JEE Main 2021 (Online) 25th February Morning Shift (1) JEE Main 2020 (Online) 6th September Evening Slot (1) JEE Main 2020 (Online) 7th January Evening Slot (1) JEE Main 2020 (Online) 7th January Morning Slot (1) JEE Main 2019 (Online) 12th April Evening Slot (2) JEE Main 2019 (Online) 12th April Morning Slot (1) JEE Main 2019 (Online) 10th April Evening Slot (1) JEE Main 2019 (Online) 10th April Morning Slot (1) JEE Main 2019 (Online) 9th April Evening Slot (1) JEE Main 2019 (Online) 9th April Morning Slot (2) JEE Main 2019 (Online) 8th April Evening Slot (1) JEE Main 2019 (Online) 12th January Evening Slot (1) JEE Main 2019 (Online) 12th January Morning Slot (1) JEE Main 2019 (Online) 11th January Evening Slot (1) JEE Main 2019 (Online) 11th January Morning Slot (1) JEE Main 2019 (Online) 9th January Evening Slot (1) JEE Main 2019 (Online) 9th January Morning Slot (1) JEE Main 2018 (Online) 16th April Morning Slot (1) JEE Main 2018 (Offline) (1) JEE Main 2018 (Online) 15th April Morning Slot (1) JEE Main 2017 (Online) 9th April Morning Slot (1) JEE Main 2017 (Online) 8th April Morning Slot (1) JEE Main 2017 (Offline) (2) JEE Main 2016 (Online) 10th April Morning Slot (1) JEE Main 2016 (Online) 9th April Morning Slot (3) JEE Main 2014 (Offline) (1) JEE Main 2013 (Offline) (2) AIEEE 2007 (2) AIEEE 2006 (2) AIEEE 2005 (2) AIEEE 2004 (3) AIEEE 2003 (2) AIEEE 2002 (3)