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CHEMICALS COMPUNDS AND ELEMENT

Total questions: 24

Worksheet time: 16mins

Name
Class
Date
1.

CHEMICAL FORMULAE OF SALT

a)

NACL

b)

NACL.

c)

NaC;l

d)

NaCl

2.

IN WHICH TABLE THE ELEMENTS ARE MENTIONED

(a)  

3.

SYMBOL OF IRON

a)

Fe

b)

Io

c)

IN

d)

Ir

4.

consist of two or more substances simply mixed together,but not chemically combined

(a)  

5.

Element OF MERCURY

a)

AU

b)

Me

c)

li

d)

Hg

6.

Phosporus is

a)

Monoatomic

b)

Diatomic

c)

Tetratomic

d)

None of These

7.

Acid present in stomach

a)

PLYDROLIC ACID

b)

OLYMOPEDRIC ACID

c)

HYDROCHLORIC ACID

d)

NONE OF THESE

e)

AAKRITI AND MAHIKA ARE BEST FRIENDS

8.

WHEN AN IRON LOCK GETS IN CONTACT WITH WATER FOR LONGER PERIOD OF TIME AND ALSO WITH OXYGEN WHAT WILL HAPPEN

a)

IRONOXIDE

b)

Fe204

c)

Fe2O4

d)

IronOxode

9.

Our class teacher

a)

Anu Abde

b)

Anu Abe

c)

Science teacher

d)

Gnan Nikhil Ch

10.

5. are the purest solid form of a substance having adefinite geometrical shape

(a)  

11.

The smallest particle of a substance is called an

a)

AtoM

b)

Atom-

c)

Chemical

d)

Atom

12.

NOW I WILL ADD QUESTIONS OF MOTION AND TIME

a)

OK

b)

Okay

c)

Okay

d)

OKAY

13.

________ IS A MACHINE WHICH CALCULATES THE SPEED OF CAR

a)

SPEEDOMETER

b)

SPEEDOMETRE

c)

ODOMETER

d)

SPEEDOMMETER

14.

NAME THE MOTION OF A GIANT WHEELS

a)

RECTILINEAR MOTION

b)

RECTILATORY MOTION

c)

CIRCULAR MOION

d)

CIRCULAR MOTION

15.

MENTION A TIME TELLING OBJECT HAVING SAND

a)

SUNDIAL

b)

PENDULUM

c)

HOUR CLOCK

d)

FIRE BOLT

SMARTWATCH

16.

NAME THE MOTION

BODY AT REST

a)

CLOCK

b)

UNIFORM

c)

NON-UNIFORM

d)

STATIONARY

17.

NOW I WILL ASK RANDOMLY ON SCIENCE

DONT BE SCARED IT WILL BE FORM THE SYLLABUS UNDERSTOOD MAHIKA AND JUDE

a)

OK

b)

I am not Mahika

c)

I am not mahika is correct answer if you want points click on this option mentioned above

d)

blablabla

18.

A drawing of an electrical circuit with standard symbols is called a

a)

Power exponents

b)

Electri cal circuit

c)

Electrical Circuit

d)

Electrical Diagram

e)

Circuit Diagram

19.

GIVE ME YOUR INTRODUCTION

4 lines
20.

WHAT IS THIS

a)

PIMPLE ELECTRIC CIRCUIT

b)

Rishaan's fridge connection

c)

Simple electric circuit

d)

Electromagnet

21.

NAME THE PLANT

a)

CUSCUTTA

b)

HYDRILLA

c)

TULIP

d)

INDIAN PIPE

22.

THE THREE SUBSTANCE PRESENT IN STOMACH

a)

MUCUS

HYDROCHLORIC ACID

DIGESTIVE JUICE

b)

STOMACH IS MADE TO DIGEST PIZZA

c)

MUCCUS

HYDROCHLORIC ACID

DIGESTIVE JUICE

d)

MUCUS

HYDROCHLORIC ACID

BILE

23.

JUICE PRODUCED BY LIVER

a)

POMOGRANETTE

JUICE

b)

ORANGE JUICE

c)

BILE

d)

MUCUS

e)

PANCREATIC LIQUID

24.

was born in Denmark in the year 1777. He was both, a physicist and a chemist. He is known for his discovery of the magnetic effect of electric current. He demonstrated that a magnetic needle gets deflected when it is brought near a current carrying wire. In the CGS system of units, the unit of magnetic field strength is given the name oersted in his honour. Know Your Scientist

a)

Hans Christian Oersted

b)

Hans Christian

c)

Hans Oersted

d)

Hanns Christian Oersted