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CBSE->Std 10 Questions

Total Questions 2595
what was collectivisation ?who introduce it and why?State any 2 consequences of it?
state any 3 rights given by the french constitution ?
describe any 2 measures adopted by Hitler to capture power in germany?
name one famous women novelist in the 19th century england. describe the different ways in which women novelist portrayed women.
calculate the median for the following distribution. marks obtained/below 10/below 20/below 30/below 40/below 50/below60 / / / / / / No.of / 6 / 15 / 29 / 41 / 60 / 70 students:
what is binary fission?
what is meant by the statement that the rating of fuse in a circuit is 5 ampere ?
WHY ARE ELECTRIC BULBS FILLED WITH CHEMICALLY INACTIVE NITROGEN OR ARGON ?
The disease also called hydrophobia is mainly transmitted by bite from an infected animal.It affects the nervous system and results in painful muscle contractions.Name te disease.
Which is the highest civilian award?
TWO IDENTICAL RESISTORS EACH OF RESISTANCE 10 OHM ARE CONNECTED IN (a)SERIES (b)PARALLEL TO A 6V BATTERY. CALCULATE THE RATIO OF POWER CONSUMED IN THE COMBINATION OF RESISTORS IN THE CASES.
LIST FOUR CHARACTERISTICS OF A GOOD SOURCE OF ENERGY AND MENTION ANY FOUR QUALITIES OF A GOOD FUEL.
EXPLAIN FOUR DISADVANTAGES OF BURNING FOSSIL FUELS.
DEFINE A SOLENOID WITH THE HELP OF A SUITABLE DIAGRAM.SHOW THE PATTERN OF MAGNETIC FIELD LINES AROUND A CURRENT CARRYING SOLENOID.STATE THE REGION WHERE FIELD IS UNIFORM.
(a)DEFINE ELECTRIC POWER. (b)A DEVICE OF RESISTANCE R IS CONNECTED ACROSS A SOURCE OF V VOLTAGE AND DRAWS A CURRENT I.DERIVE AN EXPRESSION FOR POWER IN TERMS V AND I. (c)AN ELECTRIC BULB IS CONNECTED TO A 220V GENERATOR .THE CURRANT IS 0.5A.WHAT IS THE POWER OF THE BULB.
GIVE FOUR CHARACTERISTICS OF MAGNETIC FIELD LINES.
(a)WRITE THE CHEMICAL NAME OF THE COATING FORMS ON SILVER COPPER ARTICLES WHEN THESE ARE EXPOSED TO MOIST AIR. (b)EXPLAIN GALVANISATION.
EXPLAIN THE FORMATION OF IONIC COMPOUND CaO WITH ELECTRON-DOT STRUCTURES. NAME THE CONSTITUENT METALS OF BRONZE.
DIFFERENTIATE BETWEEN STRONG ACID AND WEAK ACIDS.IDENTIFY THE STRONG AND WEAK ACIDS AMONG THE FOLLOWING; HCl,ACETIC ACID,FORMIC ACID,NITRIC ACID.
WHAT IS RANCIDITY? MENTION ANY THREE WAYS TO PREVENT RANCIDITY AND EXPLAIN IT.