Serving Quality Education
Serving Quality Education
Solutions – Chapter 2 CBSE Class 12 Chemistry Short Answer Questions – 2 marks Q. 1. State Henry’s law. Write its one application. What is the effect of temperature on solubility of gases in liquid? [CBSE (F) 2016] Ans. It…
Solutions – Chapter 2 CBSE Class 12 Chemistry Very Short Answer Questions Q. 1. Define mole fraction. [CBSE Delhi 2012] Ans. Mole fraction of a component in a solution may be defined as the ratio of moles of that component…
Solutions – Chapter 2 CBSE Class 12 Chemistry Case-based Questions Read the given passages and answer the questions that follow: A solution which obeys Raoult’s law strictly is called an ideal solution, while a solution which shows deviations from Raoult’s…
Case Study Question 1 on Solutions – Chapter 2 CBSE Class 12 Chemistry Case-based Questions Read the given passages and answer the questions that follow: The spontaneous flow of the solvent through a semipermeable membrane from a pure solvent to…
Chemistry Class 12 NCERT CBSE New Syllabus 2022-23 CHEMISTRY (Code No. 043) (2022-2023) CLASS XII (2022-23) (THEORY) Time: 3 Hours M.M. – 70 Marks S.No. Title No. of Periods Marks 1 Solutions 15 7 2 Electrochemistry 18 9 3 Chemical…
Prepositions in English – Shortcut Rules Rule 1 : Across Across – On teh opposite side of My Cousin lives across the river.✔ Across – From one side to another The boy swam across the river ✔ Across – both…
Conjunctions in English – Shortcut Rules Rule 1 : The co-relative conjunctions are used in pairs. Not only – but also, Either – or Neither – nor, Both – and, Though – yet, Whether – or. Please see that the…
Verbs – Shortcut Rules Shortcut Rule 1 : If the subject is of the third person, singular number (He, She, It) add ‘S’ or ‘es / ies’ to the first form of the verb to make it singular number. She…
Adverbs – English Grammar Shortcut Rules Rule 1 : The adverbs ‘too much’ is used with nouns and ‘much too’ is used with adjectives. Too much pain / Too much insincerity (Nouns) Much too painful / much too careless (Adjectives)…
Adjectives – English Grammar Shortcut Rules Examples : Sizes : big, small, large, thin, thick Shapes : triangular, round, square, circular Colors : black, blue, white, green, red Personality : happy, sad, angry, depressed Time : Yearly , monthly, annually…
Pronouns – Shortcut Rules Shortcut Rule 1 : We should use the personal pronouns in the order of 231 for good results ( I mean, Second Person, Third Person, First Person). Have a look at the following Examples. I, He…
Noun- Shortcut Rules Shortcut Rule 1 : The following words are uncountable and are normally used in the singular form only. The indefinite article “A or An” Should not be used with them. They have no plural forms. ‘A/An’ not…
English Grammar Shortcut Rules For CDS, NDA, AFCAT Exams Articles – Shortcut Rules Rule 1 : The indefinite article ‘A’ should be used before the word ‘Half’ when it follows a whole number. I stayed in Madras for one…
WORKSHEET – 2, CHAPTER 1, ELECTRIC CHARGES AND FIELDS THIS WORKSHEET CONSISTS OF UNSOLVED NUMERICALS BASED ON COULOMB’S LAW OF ELECTROSTATIC FORCE.
NCERT Solution Chapter-1, Physical World, Class-11, Physics, CBSE Q. 1. Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientist of all time. What do you think did Einstein…
Worksheet 1
Read the given passage and answer the questions that follow. Question. Temperature has a marked effect on the rate of reaction. For most of the reactions,the rate of reaction becomes nearly double for every 10 degree rise in temperature. The…
Case Study Question 1 on Chemical Kinetics – Chapter 4 Read the given passages and answer the questions that follow. Question. The rate of a chemical reaction is expressed either in terms of decrease in the concentration of a reactant…
Assertion-Reason Questions on Chemical Kinetics Questions : In the following questions, two statements are given—one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as…
Assertion-Reason Questions on Amines Questions : In the following questions, two statements are given—one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given…